diff --git a/src/main/java/cokr/xit/adds/biz/nims/service/BizNimsService.java b/src/main/java/cokr/xit/adds/biz/nims/service/BizNimsService.java
index 8d7a7bc..f5d5a3f 100644
--- a/src/main/java/cokr/xit/adds/biz/nims/service/BizNimsService.java
+++ b/src/main/java/cokr/xit/adds/biz/nims/service/BizNimsService.java
@@ -42,7 +42,7 @@ public interface BizNimsService {
 	// NIMS BIZ
 	//------------------------------------------------------------------------------------------------------
 	BizNimsRequest.DsuseMgtReceiptReq saveDsuseMgtReceipt(final BizNimsRequest.DsuseMgtReceiptReq dto, final List<BizNimsDto.DsuseMgtDtl> dtls, List<MultipartFile> files);
-	BizNimsRequest.DsuseMgtRsltReq saveDsuseMgtRslt(final BizNimsRequest.DsuseMgtRsltReq dto, List<MultipartFile> files);
+	BizNimsRequest.DsuseMgtRsltReq saveDsuseMgtRslt(final BizNimsRequest.DsuseMgtRsltReq dto, final List<MultipartFile> files, final String fileChangeYn);
 	List<BizNimsResponse.DsuseMgtRes> getDsuseMgts(final BizNimsRequest.DsuseMgtInqReq dto, final boolean isForDoc);
 	void modifyPrgsSttsOfDsuseMgt(final BizNimsDto.DsuseMgt dto);
 	NimsApiDto.ProductInfoKd getPrdMnfSeqInfoOfBarcode(final String barcodeStr);
diff --git a/src/main/java/cokr/xit/adds/biz/nims/service/bean/BizNimsServiceBean.java b/src/main/java/cokr/xit/adds/biz/nims/service/bean/BizNimsServiceBean.java
index a7532ea..4a0449f 100644
--- a/src/main/java/cokr/xit/adds/biz/nims/service/bean/BizNimsServiceBean.java
+++ b/src/main/java/cokr/xit/adds/biz/nims/service/bean/BizNimsServiceBean.java
@@ -305,21 +305,25 @@ public class BizNimsServiceBean extends AbstractServiceBean implements BizNimsSe
 	 * @return BizNimsRequest.DsuseMgtRslt 생성된 폐기관리 정보
 	 * </pre>
 	 */
-	public BizNimsRequest.DsuseMgtRsltReq saveDsuseMgtRslt(final BizNimsRequest.DsuseMgtRsltReq reqDto, final List<MultipartFile> files) {
+	public BizNimsRequest.DsuseMgtRsltReq saveDsuseMgtRslt(final BizNimsRequest.DsuseMgtRsltReq reqDto, final List<MultipartFile> files, final String fileChangeYn) {
 		ApiUtil.validate(reqDto, null, validator);
 		reqDto.setRgtr(reqDto.getUserId());
 
 		if(bizNimsMapper.updateDsuseMgtRslt(reqDto) == 1){
-			// 파일 삭제
-			List<String> fileIds = bizNimsMapper.selectFileId(Map.of("infType", Constants.FILE_INF_TYPE.DSUSE_IMG.getCode(), "infKey", reqDto.getDscdmngId()));
-			if(!fileIds.isEmpty()){
-				fileService.delete(fileIds.toArray(new String[0]));
-			}
+			if("Y".equals(fileChangeYn)) {
+				// 파일 삭제
+				List<String> fileIds = bizNimsMapper.selectFileId(
+					Map.of("infType", Constants.FILE_INF_TYPE.DSUSE_IMG.getCode(), "infKey", reqDto.getDscdmngId()));
+				if (!fileIds.isEmpty()) {
+					fileService.delete(fileIds.toArray(new String[0]));
+				}
 
-			int idx = 1;
-			for (MultipartFile mf : files) {
-				uploadFileSave(Constants.FILE_INF_TYPE.DSUSE_IMG.getCode(), reqDto.getDscdmngId(), String.valueOf(idx), mf);
-				idx++;
+				int idx = 1;
+				for (MultipartFile mf : files) {
+					uploadFileSave(Constants.FILE_INF_TYPE.DSUSE_IMG.getCode(), reqDto.getDscdmngId(),
+						String.valueOf(idx), mf);
+					idx++;
+				}
 			}
 
 		} else {
diff --git a/src/main/java/cokr/xit/adds/biz/nims/web/BizNimsController.java b/src/main/java/cokr/xit/adds/biz/nims/web/BizNimsController.java
index 86070b7..06f2641 100644
--- a/src/main/java/cokr/xit/adds/biz/nims/web/BizNimsController.java
+++ b/src/main/java/cokr/xit/adds/biz/nims/web/BizNimsController.java
@@ -151,11 +151,12 @@ public class BizNimsController {
     @PostMapping(value = "/saveDsuseMgtRslt")
     public ApiBaseResponse<BizNimsRequest.DsuseMgtRsltReq> saveDsuseMgtRslt(
         @RequestParam("dsuseMgtRsltJsonStr") String dsuseMgtRsltJsonStr,
-        @RequestParam(value = "dsuseDsuseImgFiles", required = false) List<MultipartFile> dsuseDsuseImgFiles
+        @RequestParam(value = "dsuseDsuseImgFiles", required = false) List<MultipartFile> dsuseDsuseImgFiles,
+        @RequestParam("fileChangeYn") String fileChangeYn
     ) {
         JSON json = new JSON();
         BizNimsRequest.DsuseMgtRsltReq rsltDto = json.parse(dsuseMgtRsltJsonStr, new TypeReference<>() {});
-        return ApiBaseResponse.of(bizNimsService.saveDsuseMgtRslt(rsltDto, dsuseDsuseImgFiles));
+        return ApiBaseResponse.of(bizNimsService.saveDsuseMgtRslt(rsltDto, dsuseDsuseImgFiles, fileChangeYn));
     }
 
     @Operation(summary = "폐기 보고 조회(NIMS API 폐기보고 조회)", description = "업체의 폐기 보고 정보 목록 조회<br><br>NIMS API 호출 결과를 DB에 저장후 Return", tags = { "BIZ NIMS API" })