diff --git a/egovframe-template-simple-react-contribution/.env.production b/egovframe-template-simple-react-contribution/.env.production
index 60bab75..3864d32 100644
--- a/egovframe-template-simple-react-contribution/.env.production
+++ b/egovframe-template-simple-react-contribution/.env.production
@@ -4,7 +4,7 @@
 NODE_PATH=src/
 
 ## 절대경로 지정
-REACT_APP_EGOV_CONTEXT_URL=118.219.150.34:50688
+REACT_APP_EGOV_CONTEXT_URL=back.kcsc.dbnt.co.kr
 
 ## [보안] 소스맵 삭제
 GENERATE_SOURCEMAP=false
diff --git a/egovframe-template-simple-react-contribution/src/pages/admin/board/AdminPostMgtEdit.jsx b/egovframe-template-simple-react-contribution/src/pages/admin/board/AdminPostMgtEdit.jsx
index 05ae684..c12a9a8 100644
--- a/egovframe-template-simple-react-contribution/src/pages/admin/board/AdminPostMgtEdit.jsx
+++ b/egovframe-template-simple-react-contribution/src/pages/admin/board/AdminPostMgtEdit.jsx
@@ -10,6 +10,7 @@ import {default as EgovLeftNav} from 'components/leftmenu/EgovLeftNavAdmin';
 import EgovRadioButtonGroup from 'components/EgovRadioButtonGroup';
 import {Form} from "react-bootstrap";
 import RichTextEditor from "../../../components/editor/RichTextEditor";
+import AttachFile from "../../../components/file/AttachFile";
 
 
 function AdminPostMgtEdit({props, reloadFunction}) {
@@ -34,27 +35,31 @@ function AdminPostMgtEdit({props, reloadFunction}) {
     const [categoryList, setCategoryList] = useState([]);
 
     const retrieveList = useCallback(() => {
-        const retrieveListURL = '/admin/boards/get-category-list';
+        const retrieveListURL = '/admin/boards/get-category-and-file-list';
 
         const requestOptions = {
-            method: "GET",
+            method: "POST",
             headers: {
                 'Content-type': 'application/json',
             },
-            body: JSON.stringify()
+            body: JSON.stringify(item ? item : {})
         }
 
         EgovNet.requestFetch(retrieveListURL,
             requestOptions,
             (resp) => {
                 setCategoryList(resp.result.categoryList);
+                if (resp.result.files) {
+                    setServerFiles(resp.result.files);
+                    console.log("@@@ files : " + JSON.stringify(resp.result.files));
+                }
                 console.log("@@@ categoryList : " + JSON.stringify(resp.result.categoryList));
             },
             function (resp) {
                 console.log("err response : ", resp);
             }
         );
-    },[]);
+    }, []);
 
     useEffect(() => {
         retrieveList();
@@ -65,33 +70,40 @@ function AdminPostMgtEdit({props, reloadFunction}) {
     const initMode = () => {
         if (modeInfo.mode === CODE.MODE_MODIFY) {
             setBoardDetail(item);
+            setSelectedBbsSeq(props?.bbsSeq);
         }
     }
 
     function editPost(e) {
+        const formData = new FormData();
         e.preventDefault();
         e.stopPropagation();
         const form = e.target;
-        const info = {
-            fixedYn: defaultFixedYn,
-            secretYn: defaultSecretYn,
-            bbsId: form.bbsId.value,
-            bbsSeq: selectedBbsSeq,
-            bbsContTitle: form.bbsContTitle.value,
-            fileGrpId: form.fileGrpId.value,
-            bbsContents: text
+        formData.append('fixedYn', defaultFixedYn);
+        formData.append('secretYn', defaultSecretYn);
+        formData.append('bbsId', form.bbsId.value);
+        formData.append('bbsSeq', selectedBbsSeq);
+        formData.append('bbsContTitle', form.bbsContTitle.value);
+        formData.append('bbsContents', text);
+        //첨부파일
+        if (files) {
+            for (let i = 0; i < files.length; i++) {
+                if (files[i].seq) {
+                    // 살아남은 file의 seq 목록 서버로 보내면 서버가 알아서 기존파일을 정리해준다.
+                    formData.append("survivingFiles", files[i].seq);
+                    continue;
+                }
+                formData.append("files", files[i]);
+            }
         }
         if (modeInfo.mode === CODE.MODE_MODIFY) {
-            info.bbsContSeq = props.bbsContSeq;
+            formData.append('bbsContSeq', props.bbsContSeq);
         }
         EgovNet.requestFetch(
             '/admin/boards/post-mgt',
             {
                 method: "PUT",
-                headers: {
-                    'Content-type': 'application/json'
-                },
-                body: JSON.stringify(info)
+                body: formData
             },
             (resp) => {
                 if (Number(resp.resultCode) === Number(CODE.RCV_SUCCESS)) {
@@ -106,8 +118,8 @@ function AdminPostMgtEdit({props, reloadFunction}) {
         )
     }
 
-    function deletePost(post){
-        if(window.confirm("삭제하시겠습니까?")) {
+    function deletePost(post) {
+        if (window.confirm("삭제하시겠습니까?")) {
             EgovNet.requestFetch(
                 '/admin/boards/post-mgt',
                 {
@@ -145,6 +157,28 @@ function AdminPostMgtEdit({props, reloadFunction}) {
         setSelectedBbsSeq(selectedOption.bbsSeq);
     }
 
+    const fileTypes = ["JPG", "PNG", "GIF", "PDF", "HWP", "HWPX", "ZIP", "JPEG", "MP4", "TXT"];
+    const [serverFiles, setServerFiles] = useState([]);
+    const [files, setFiles] = useState([]);
+
+    // 첨부된 file을 삭제하는 요청
+    const deleteFile = (fileSeq) => {
+        const deleteFileURL = `/contents/api/popup-manage/file/${fileSeq}`;
+
+        const requestOptions = {
+            method: "DELETE",
+            headers: {
+                'Content-type': 'application/json',
+            }
+        }
+
+        EgovNet.requestFetch(deleteFileURL,
+            requestOptions,
+            (resp) => {
+            }
+        );
+    }
+
     return (
         <>
             <style>
@@ -164,7 +198,9 @@ function AdminPostMgtEdit({props, reloadFunction}) {
 
             <Modal.Body>
                 <div className="board_view2">
-                    <Form onSubmit={(e) => {editPost(e)}} noValidate>
+                    <Form onSubmit={(e) => {
+                        editPost(e)
+                    }} noValidate>
                         <dl>
                             <dt><label htmlFor="siteTitle">상단고정</label><span className="req">필수</span></dt>
                             <dd>
@@ -208,14 +244,13 @@ function AdminPostMgtEdit({props, reloadFunction}) {
                             </dd>
                         </dl>
                         <dl>
-                            <dt><label htmlFor="siteUrl">파일</label><span className="req">필수</span></dt>
+                            <dt><label htmlFor="fileGrpId">파일</label><span className="req">필수</span></dt>
                             <dd>
-                                <Form.Control className="f_input2 w_full" type="text" name="fileGrpId" placeholder="파일" required
-                                              defaultValue={props?.fileGrpId}/>
+                                <AttachFile name="preDataFile" multiple={true} files={files} setFiles={setFiles} serverFiles={serverFiles} fileTypes={fileTypes} deleteFile={deleteFile}/>
                             </dd>
                         </dl>
                         <dl>
-                            <dt><label htmlFor="fileGrpId">내용</label><span className="req">필수</span></dt>
+                            <dt><label htmlFor="contents">내용</label><span className="req">필수</span></dt>
                             <dd>
                                 <RichTextEditor item={text} setText={setText}/>
                             </dd>
@@ -227,12 +262,17 @@ function AdminPostMgtEdit({props, reloadFunction}) {
                                 <button type="submit" className="btn btn_skyblue_h46 w_100">저장
                                 </button>
                                 {modeInfo.mode === CODE.MODE_MODIFY &&
-                                <button type={"button"} className="btn btn_skyblue_h46 w_100" onClick={()=>{deletePost(props)}}>삭제</button>
+                                <button type={"button"} className="btn btn_skyblue_h46 w_100" onClick={() => {
+                                    deletePost(props)
+                                }}>삭제</button>
                                 }
                             </div>
 
                             <div className="right_col btn1">
-                                <button type={"button"} className="btn btn_blue_h46 w_100" onClick={()=>{reloadFunction()}}>목록</button>
+                                <button type={"button"} className="btn btn_blue_h46 w_100" onClick={() => {
+                                    reloadFunction()
+                                }}>목록
+                                </button>
                             </div>
                         </div>
                         {/* <!--// 버튼영역 --> */}
diff --git a/egovframe-template-simple-react-contribution/src/pages/admin/board/AdminPostMgtList.jsx b/egovframe-template-simple-react-contribution/src/pages/admin/board/AdminPostMgtList.jsx
index 53ad99b..75cbf60 100644
--- a/egovframe-template-simple-react-contribution/src/pages/admin/board/AdminPostMgtList.jsx
+++ b/egovframe-template-simple-react-contribution/src/pages/admin/board/AdminPostMgtList.jsx
@@ -13,6 +13,7 @@ import AboutSiteModal from "../config/aboutSiteMgt/AboutSiteModal";
 import AdminPostMgtEdit from "./AdminPostMgtEdit";
 import Modal from "react-bootstrap/Modal";
 import {format} from "date-fns";
+import {Form} from "react-bootstrap";
 
 function AdminPostMgtList(props) {
     console.group("EgovAdminPostList");
@@ -30,6 +31,7 @@ function AdminPostMgtList(props) {
     const wrdRef = useRef();
 
     const [listTag, setListTag] = useState([]);
+    const [categoryList, setCategoryList] = useState([]);
 
     const [show, setShow] = useState(false);
     const [modalBody, setModalBody] = useState();
@@ -55,6 +57,7 @@ function AdminPostMgtList(props) {
             requestOptions,
             (resp) => {
                 setPaginationInfo(resp.result.paginationInfo);
+                setCategoryList(resp.result.categoryList);
 
                 let mutListTag = [];
                 listTag.push(<p className="no_data" key="0">검색된 결과가 없습니다.</p>); // 게시판 목록 초기값
@@ -92,6 +95,10 @@ function AdminPostMgtList(props) {
     // eslint-disable-next-line react-hooks/exhaustive-deps
     }, []);
 
+    const handleSelectChange = (e) => {
+
+    }
+
     function editPost(item){
         handleShow();
         if(item != undefined) {
@@ -134,14 +141,12 @@ function AdminPostMgtList(props) {
                                 <li className="third_1 L">
                                     <span className="lb">검색유형선택</span>
                                     <label className="f_select" htmlFor="searchCnd">
-                                        <select id="searchCnd" name="searchCnd" title="검색유형선택" ref={cndRef}
-                                            onChange={e => {
-                                                cndRef.current.value = e.target.value;
-                                            }}
-                                        >
-                                            <option value="0">게시판명</option>
-                                            <option value="1">게시판유형</option>
-                                        </select>
+                                        <Form.Select id="select1" name="bbsId" onChange={handleSelectChange}>
+                                            <option value="">선택</option>
+                                            {categoryList.map((item) => (
+                                                <option key={item.bbsSeq} value={item.bbsId} selected={props?.bbsId === item.bbsId}>{item.bbsTitle}</option>
+                                            ))}
+                                        </Form.Select>
                                     </label>
                                 </li>
                                 <li className="third_2 R">
diff --git a/kcsc-back-end/src/main/java/com/dbnt/kcscbackend/admin/boards/AdminBoardsController.java b/kcsc-back-end/src/main/java/com/dbnt/kcscbackend/admin/boards/AdminBoardsController.java
index 8d4e9b8..1072a1f 100644
--- a/kcsc-back-end/src/main/java/com/dbnt/kcscbackend/admin/boards/AdminBoardsController.java
+++ b/kcsc-back-end/src/main/java/com/dbnt/kcscbackend/admin/boards/AdminBoardsController.java
@@ -11,6 +11,8 @@ import com.dbnt.kcscbackend.config.common.BaseController;
 import com.dbnt.kcscbackend.config.common.ResponseCode;
 import com.dbnt.kcscbackend.config.common.ResultVO;
 import com.dbnt.kcscbackend.config.util.ClientUtils;
+import com.dbnt.kcscbackend.file.entity.TnAttachFile;
+import com.dbnt.kcscbackend.file.service.FileService;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.responses.ApiResponse;
 import io.swagger.v3.oas.annotations.responses.ApiResponses;
@@ -20,15 +22,15 @@ import org.springframework.http.MediaType;
 import org.springframework.security.core.annotation.AuthenticationPrincipal;
 import org.springframework.validation.Errors;
 import org.springframework.validation.FieldError;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestMethod;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import javax.validation.Valid;
+import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
 @RestController
@@ -39,6 +41,7 @@ public class AdminBoardsController extends BaseController {
 
     private final AdminBoardsService adminBoardsService;
     private final CommonCodeService commonCodeService;
+    private final FileService fileService;
 
     /* ---- 게시판관리 ----- */
     @Operation(
@@ -152,27 +155,44 @@ public class AdminBoardsController extends BaseController {
     public ResultVO getPostList() throws Exception {
         ResultVO resultVO = new ResultVO();
         Map<String, Object> resultMap = new HashMap<>();
-
+        resultMap.put("categoryList", adminBoardsService.selectBoardList());
         resultMap.put("postList", adminBoardsService.selectPostList());
         resultVO.setResult(resultMap);
         return resultVO;
     }
 
     @Operation(
-            summary = "게시물 카테고리 셀렉트박스 옵션 조회",
-            description = "게시물 카테고리 셀렉트박스 옵션 조회",
+            summary = "게시물 카테고리 셀렉트박스 옵션, 파일 목록 조회",
+            description = "게시물 카테고리 셀렉트박스 옵션, 파일 목록 조회",
             tags = {"AdminBoardsController"}
     )
     @ApiResponses(value = {
             @ApiResponse(responseCode = "200", description = "조회 성공"),
             @ApiResponse(responseCode = "403", description = "인가된 사용자가 아님")
     })
-    @RequestMapping(method = RequestMethod.GET, value = "/get-category-list", consumes = MediaType.APPLICATION_JSON_VALUE)
-    public ResultVO getCategoryList() throws Exception {
+    @RequestMapping(method = RequestMethod.POST, value = "/get-category-and-file-list", consumes = MediaType.APPLICATION_JSON_VALUE)
+    public ResultVO getCategoryList(@RequestBody TnBbsContents tnBbsContents) throws Exception {
         ResultVO resultVO = new ResultVO();
         Map<String, Object> resultMap = new HashMap<>();
 
         resultMap.put("categoryList", adminBoardsService.selectBoardList());
+        //첨부파일명을 가져온다.
+        List<TnAttachFile> tnAttachFileList = fileService.findByFileGrpId(tnBbsContents.getFileGrpId());
+        System.out.println("@@@ fileGrpId : " + tnBbsContents.getFileGrpId());
+
+        if (tnAttachFileList != null) {
+            List<Map<String, Object>> files = new ArrayList<Map<String, Object>>();
+            for (TnAttachFile item : tnAttachFileList) {
+                Map<String, Object> fileDto = new HashMap<String, Object>();
+                fileDto.put("seq", item.getFileSeq());
+                fileDto.put("name", item.getFileOldName());
+                files.add(fileDto);
+            }
+            resultMap.put("files", files);
+            System.out.println("@@@ files : " + files);
+        } else {
+            resultMap.put("files", null);
+        }
         resultVO.setResult(resultMap);
         return resultVO;
     }
@@ -187,7 +207,13 @@ public class AdminBoardsController extends BaseController {
             @ApiResponse(responseCode = "403", description = "인가된 사용자가 아님")
     })
     @RequestMapping(method = RequestMethod.PUT, value = "/post-mgt")
-    public ResultVO savePostMgt(@RequestBody @Valid TnBbsContents contents, HttpServletRequest request, Errors errors, @AuthenticationPrincipal LoginVO user) {
+    public ResultVO savePostMgt(
+            @Valid TnBbsContents contents,
+            HttpServletRequest request,
+            Errors errors,
+            @RequestParam(required = false) long[] survivingFiles,
+            @RequestParam(required = false) MultipartFile[] files,
+            @AuthenticationPrincipal LoginVO user) throws Exception {
         ResultVO resultVO = new ResultVO();
         if (user == null) {
             resultVO.setResultCode(ResponseCode.TOKEN_EXPIRED.getCode());
@@ -201,9 +227,9 @@ public class AdminBoardsController extends BaseController {
                 resultVO.setResultCode(ResponseCode.INPUT_CHECK_ERROR.getCode());
                 resultVO.setResultMessage(msg.toString());
             } else {
-                System.out.println("@@@ contents.getBbsSeq() : " + contents.getBbsContSeq());
+                System.out.println("@@@ contents.getBbsSeq() : " + contents.getBbsSeq());
                 contents.setIpAddress(ClientUtils.getRemoteIP(request));
-                adminBoardsService.savePost(contents, user.getId());
+                adminBoardsService.savePost(contents, request, user, files, survivingFiles);
                 resultVO.setResultCode(ResponseCode.SUCCESS.getCode());
             }
         }
diff --git a/kcsc-back-end/src/main/java/com/dbnt/kcscbackend/admin/boards/service/AdminBoardsService.java b/kcsc-back-end/src/main/java/com/dbnt/kcscbackend/admin/boards/service/AdminBoardsService.java
index 3c50c8c..d8ba319 100644
--- a/kcsc-back-end/src/main/java/com/dbnt/kcscbackend/admin/boards/service/AdminBoardsService.java
+++ b/kcsc-back-end/src/main/java/com/dbnt/kcscbackend/admin/boards/service/AdminBoardsService.java
@@ -5,12 +5,19 @@ import com.dbnt.kcscbackend.admin.boards.entity.TnBbsContents;
 import com.dbnt.kcscbackend.admin.boards.repository.TnBbsContentsRepository;
 import com.dbnt.kcscbackend.admin.boards.repository.TnBbsRepository;
 import com.dbnt.kcscbackend.admin.config.entity.TcMenu;
+import com.dbnt.kcscbackend.auth.entity.LoginVO;
+import com.dbnt.kcscbackend.file.entity.TnAttachFile;
+import com.dbnt.kcscbackend.file.service.FileService;
 import lombok.RequiredArgsConstructor;
 import org.egovframe.rte.fdl.cmmn.EgovAbstractServiceImpl;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
+import org.springframework.web.multipart.MultipartFile;
 
+import javax.servlet.http.HttpServletRequest;
+import java.text.SimpleDateFormat;
 import java.time.LocalDateTime;
+import java.util.Date;
 import java.util.List;
 import java.util.Optional;
 
@@ -20,6 +27,7 @@ public class AdminBoardsService extends EgovAbstractServiceImpl {
 
     private final TnBbsRepository tnBbsRepository;
     private final TnBbsContentsRepository tnBbsContentsRepository;
+    private final FileService fileService;
 
     public List<TnBbs> selectBoardList() {
         return tnBbsRepository.findAllByOrderByBbsSeqDesc();
@@ -66,28 +74,82 @@ public class AdminBoardsService extends EgovAbstractServiceImpl {
         return tnBbsContentsRepository.findAll();
     }
 
-    @Transactional
-    public void savePost(TnBbsContents contents, String userId) {
+    /**
+     * 파일이 저장될 중간 경로를 생성한다.
+     * D:/kcscUploadFiles/XXXX/abc.jpg XXXX에 해당하는 경로다.
+     *
+     * @return 중간 경로
+     */
+    private String getMiddlePath() {
+        //파일이 저장될 경로를 생성한다.
+        String domainPath = "post";
+        Date nowDate = new Date();
+        String strNowYyyy = new SimpleDateFormat("yyyy").format(nowDate);
+        String strNowYyyyMmdd = new SimpleDateFormat("yyyyMMdd").format(nowDate);
+        String middlePath = domainPath + "/" + strNowYyyy + "/" + strNowYyyyMmdd + "/";
+
+        return middlePath;
+    }
+
+    public void savePost(TnBbsContents contents, HttpServletRequest request, LoginVO user, MultipartFile[] files, long[] survivingFiles) throws Exception {
         if (contents.getBbsContSeq() == null) {
+            String fileGrpId = fileService.addTnAttachFile(request, user, files, this.getMiddlePath());
             // TODO 하드코딩
             contents.setBbsContLevel(1L);
             contents.setBbsReadCnt(0L);
             contents.setUseYn("Y");
             contents.setFrstCrtDt(LocalDateTime.now());
-            contents.setFrstCrtId(userId);
+            contents.setFrstCrtId(user.getId());
+            contents.setFileGrpId(fileGrpId);
             tnBbsContentsRepository.save(contents);
         } else {
             TnBbsContents savedPost = tnBbsContentsRepository.findById(contents.getBbsContSeq()).orElse(null);
+
+            String fileGrpId = savedPost.getFileGrpId();
+            List<TnAttachFile> tnAttachFileList = fileService.findByFileGrpId(fileGrpId);
+            if (survivingFiles == null) {
+                //기존 file을 모두 삭제한다.
+                if (fileGrpId != null) {
+                    if (tnAttachFileList != null) {
+                        for (TnAttachFile item : tnAttachFileList) {
+                            fileService.deleteTnAttachFile(request, user, item.getFileSeq().longValue());
+                        }
+                    }
+                    fileGrpId = null;
+                }
+            } else {
+                // 살아남은 file을 제외한 나머지 file을 삭제한다.
+                if (tnAttachFileList != null) {
+                    boolean isFound = false;
+                    for (TnAttachFile item : tnAttachFileList) {
+                        for (long oldFileSeq : survivingFiles) {
+                            if (oldFileSeq == item.getFileSeq()) {
+                                isFound = true;
+                                break;
+                            }
+                        }
+                        if (!isFound) {
+                            fileService.deleteTnAttachFile(request, user, item.getFileSeq().longValue());
+                        }
+                        isFound = false;
+                    }
+                }
+
+            }
+            System.out.println("@@@ files : " + files);
+            fileGrpId = fileService.addTnAttachFile(request, user, files, this.getMiddlePath(), fileGrpId);
             savedPost.setFixedYn(contents.getFixedYn());
             savedPost.setSecretYn(contents.getSecretYn());
             savedPost.setBbsId(contents.getBbsId());
+            savedPost.setBbsSeq(contents.getBbsSeq());
             savedPost.setBbsContTitle(contents.getBbsContTitle());
             savedPost.setFileGrpId(contents.getFileGrpId());
             savedPost.setBbsContents(contents.getBbsContents());
             savedPost.setIpAddress(contents.getIpAddress());
             savedPost.setUseYn("Y");
-            savedPost.setLastChgId(userId);
+            savedPost.setLastChgId(user.getId());
             savedPost.setLastChgDt(LocalDateTime.now());
+            savedPost.setFileGrpId(fileGrpId);
             tnBbsContentsRepository.save(savedPost);
         }
     }