diff --git "a/resources/excel/\354\227\260\352\265\254\353\205\274\353\254\270\354\236\221\355\222\210\354\213\234\354\212\244\355\205\234_\352\265\220\354\210\230_\354\235\274\352\264\204\353\223\261\353\241\235_\354\226\221\354\213\235.xlsx" "b/resources/excel/\354\227\260\352\265\254\353\205\274\353\254\270\354\236\221\355\222\210\354\213\234\354\212\244\355\205\234_\352\265\220\354\210\230_\354\235\274\352\264\204\353\223\261\353\241\235_\354\226\221\354\213\235.xlsx"
index 4488633..4e63856 100644
Binary files "a/resources/excel/\354\227\260\352\265\254\353\205\274\353\254\270\354\236\221\355\222\210\354\213\234\354\212\244\355\205\234_\352\265\220\354\210\230_\354\235\274\352\264\204\353\223\261\353\241\235_\354\226\221\354\213\235.xlsx" and "b/resources/excel/\354\227\260\352\265\254\353\205\274\353\254\270\354\236\221\355\222\210\354\213\234\354\212\244\355\205\234_\352\265\220\354\210\230_\354\235\274\352\264\204\353\223\261\353\241\235_\354\226\221\354\213\235.xlsx" differ
diff --git "a/resources/excel/\354\227\260\352\265\254\353\205\274\353\254\270\354\236\221\355\222\210\354\213\234\354\212\244\355\205\234_\355\225\231\354\203\235_\354\235\274\352\264\204\353\223\261\353\241\235_\354\226\221\354\213\235.xlsx" "b/resources/excel/\354\227\260\352\265\254\353\205\274\353\254\270\354\236\221\355\222\210\354\213\234\354\212\244\355\205\234_\355\225\231\354\203\235_\354\235\274\352\264\204\353\223\261\353\241\235_\354\226\221\354\213\235.xlsx"
index b66fec6..f9defc4 100644
Binary files "a/resources/excel/\354\227\260\352\265\254\353\205\274\353\254\270\354\236\221\355\222\210\354\213\234\354\212\244\355\205\234_\355\225\231\354\203\235_\354\235\274\352\264\204\353\223\261\353\241\235_\354\226\221\354\213\235.xlsx" and "b/resources/excel/\354\227\260\352\265\254\353\205\274\353\254\270\354\236\221\355\222\210\354\213\234\354\212\244\355\205\234_\355\225\231\354\203\235_\354\235\274\352\264\204\353\223\261\353\241\235_\354\226\221\354\213\235.xlsx" differ
diff --git a/src/modules/professors/dtos/professor.dto.ts b/src/modules/professors/dtos/professor.dto.ts
index 46df1e5..25544eb 100644
--- a/src/modules/professors/dtos/professor.dto.ts
+++ b/src/modules/professors/dtos/professor.dto.ts
@@ -22,7 +22,7 @@ export class ProfessorDto {
   @ApiProperty({ description: "아이디" })
   @Type(() => Number)
   id: number;
-  @ApiProperty({ description: "내선번호" })
+  @ApiProperty({ description: "로그인 아이디" })
   @Type(() => String)
   loginId: string;
   @ApiProperty({ description: "이름" })
@@ -43,7 +43,7 @@ export class ProfessorDto {
 
   converDtoToExcelRecord() {
     return {
-      내선번호: this.loginId,
+      로그인아이디: this.loginId,
       이름: this.name,
       이메일: this.email,
       연락처: this.phone,
diff --git a/src/modules/professors/dtos/professors-list-query.dto.ts b/src/modules/professors/dtos/professors-list-query.dto.ts
index b0aee9a..6941fc9 100644
--- a/src/modules/professors/dtos/professors-list-query.dto.ts
+++ b/src/modules/professors/dtos/professors-list-query.dto.ts
@@ -5,7 +5,7 @@ import { PageQuery } from "src/common/dtos/pagination.dto";
 
 export class ProfessorListPaginationQuery extends PageQuery {
   // 다중 상속이 안됨....
-  @ApiProperty({ description: "아이디", required: false })
+  @ApiProperty({ description: "로그인 아이디", required: false })
   @IsOptional()
   @IsNotEmpty()
   @Type(() => String)
@@ -39,7 +39,7 @@ export class ProfessorListPaginationQuery extends PageQuery {
 }
 
 export class ProfessorListQuery {
-  @ApiProperty({ description: "아이디", required: false })
+  @ApiProperty({ description: "로그인 아이디", required: false })
   @IsOptional()
   @IsNotEmpty()
   @Type(() => String)
diff --git a/src/modules/professors/dtos/upload-professor.dto.ts b/src/modules/professors/dtos/upload-professor.dto.ts
index 6982db4..94f2f59 100644
--- a/src/modules/professors/dtos/upload-professor.dto.ts
+++ b/src/modules/professors/dtos/upload-professor.dto.ts
@@ -5,7 +5,7 @@ import { IsKoreanPhoneNumber } from "src/common/decorators/is-kr-phone-number.de
 
 export class UploadProfessorDto {
   constructor(excelRecord) {
-    this.loginId = excelRecord["내선번호"].toString();
+    this.loginId = excelRecord["로그인아이디"].toString();
     this.name = excelRecord["이름"];
     this.password = excelRecord["비밀번호"] ? excelRecord["비밀번호"].toString() : undefined;
     this.email = excelRecord["이메일"] ? excelRecord["이메일"].toString() : undefined;
@@ -13,7 +13,7 @@ export class UploadProfessorDto {
     this.departmentName = excelRecord["학과"];
   }
 
-  @ApiProperty({ description: "내선번호" })
+  @ApiProperty({ description: "로그인 아이디" })
   @Type(() => String)
   loginId: string;
 
diff --git a/src/modules/students/students.service.ts b/src/modules/students/students.service.ts
index 7491fe2..062a596 100644
--- a/src/modules/students/students.service.ts
+++ b/src/modules/students/students.service.ts
@@ -291,7 +291,7 @@ export class StudentsService {
               }
             }
 
-            // 교수들 내선번호 > Id로 변경
+            // 교수들 로그인아이디 > Id로 변경
             let advisor1Id: number,
               advisor2Id: number,
               committee1Id: number,
@@ -299,42 +299,42 @@ export class StudentsService {
               headReviewerId: number;
             if (advisor1) {
               const foundProfessor = await this.prismaService.user.findUnique({
-                where: { loginId: advisor1, type: UserType.PROFESSOR, deletedAt: null }, // 내선번호 사용
+                where: { loginId: advisor1, type: UserType.PROFESSOR, deletedAt: null }, // 로그인 아이디 사용
               });
               if (!foundProfessor)
-                throw new BadRequestException(`${index + 2}행 : 교수 내선번호 ${advisor1}를 확인하십시오.`);
+                throw new BadRequestException(`${index + 2}행 : 교수 로그인 아이디 ${advisor1}를 확인하십시오.`);
               advisor1Id = foundProfessor.id;
             }
             if (advisor2) {
               const foundProfessor = await this.prismaService.user.findUnique({
-                where: { loginId: advisor2, type: UserType.PROFESSOR, deletedAt: null }, // 내선번호 사용
+                where: { loginId: advisor2, type: UserType.PROFESSOR, deletedAt: null }, // 로그인 아이디 사용
               });
               if (!foundProfessor)
-                throw new BadRequestException(`${index + 2}행 : 교수 내선번호 ${advisor2}를 확인하십시오.`);
+                throw new BadRequestException(`${index + 2}행 : 교수 로그인 아이디 ${advisor2}를 확인하십시오.`);
               advisor2Id = foundProfessor.id;
             }
             if (committee1) {
               const foundProfessor = await this.prismaService.user.findUnique({
-                where: { loginId: committee1, type: UserType.PROFESSOR, deletedAt: null }, // 내선번호 사용
+                where: { loginId: committee1, type: UserType.PROFESSOR, deletedAt: null }, // 로그인 아이디 사용
               });
               if (!foundProfessor)
-                throw new BadRequestException(`${index + 2}행 : 교수 내선번호 ${committee1}를 확인하십시오.`);
+                throw new BadRequestException(`${index + 2}행 : 교수 로그인 아이디 ${committee1}를 확인하십시오.`);
               committee1Id = foundProfessor.id;
             }
             if (committee2) {
               const foundProfessor = await this.prismaService.user.findUnique({
-                where: { loginId: committee2, type: UserType.PROFESSOR, deletedAt: null }, // 내선번호 사용
+                where: { loginId: committee2, type: UserType.PROFESSOR, deletedAt: null }, // 로그인 아이디 사용
               });
               if (!foundProfessor)
-                throw new BadRequestException(`${index + 2}행 : 교수 내선번호 ${committee2}를 확인하십시오.`);
+                throw new BadRequestException(`${index + 2}행 : 교수 로그인 아이디 ${committee2}를 확인하십시오.`);
               committee2Id = foundProfessor.id;
             }
             if (headReviewer) {
               const foundProfessor = await this.prismaService.user.findUnique({
-                where: { loginId: headReviewer, type: UserType.PROFESSOR, deletedAt: null }, // 내선번호 사용
+                where: { loginId: headReviewer, type: UserType.PROFESSOR, deletedAt: null }, // 로그인 아이디 사용
               });
               if (!foundProfessor)
-                throw new BadRequestException(`${index + 2}행 : 교수 내선번호 ${headReviewer}를 확인하십시오.`);
+                throw new BadRequestException(`${index + 2}행 : 교수 로그인 아이디 ${headReviewer}를 확인하십시오.`);
               headReviewerId = foundProfessor.id;
             }