diff --git a/src/main/java/com/mycom/backenddaengplace/trait/controller/TraitController.java b/src/main/java/com/mycom/backenddaengplace/trait/controller/TraitController.java
index 115eb4c..41113a0 100644
--- a/src/main/java/com/mycom/backenddaengplace/trait/controller/TraitController.java
+++ b/src/main/java/com/mycom/backenddaengplace/trait/controller/TraitController.java
@@ -1,15 +1,16 @@
 package com.mycom.backenddaengplace.trait.controller;
 
+import com.mycom.backenddaengplace.auth.dto.CustomOAuth2User;
 import com.mycom.backenddaengplace.common.dto.ApiResponse;
+import com.mycom.backenddaengplace.trait.dto.request.MemberTraitResponseRequestList;
 import com.mycom.backenddaengplace.trait.dto.response.TraitQuestionResponse;
 import com.mycom.backenddaengplace.trait.enums.QuestionTarget;
+import com.mycom.backenddaengplace.trait.service.MemberTraitService;
 import com.mycom.backenddaengplace.trait.service.TraitService;
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.ResponseEntity;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestParam;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
+import org.springframework.web.bind.annotation.*;
 
 import java.util.List;
 
@@ -19,10 +20,18 @@
 public class TraitController {
 
     private final TraitService traitService;
+    private final MemberTraitService memberTraitService;
 
     @GetMapping("/questions")
     public ResponseEntity<ApiResponse<List<TraitQuestionResponse>>> getTraitQuestions(@RequestParam QuestionTarget target) {
         return ResponseEntity.ok(ApiResponse.success("성향 질문 목록을 조회했습니다.",
                 traitService.getTraitQuestions(target)));
     }
+
+    @PostMapping("/register")
+    public ResponseEntity<ApiResponse<Void>> registerMemberTraitResponse(@RequestBody MemberTraitResponseRequestList request,
+                                                                         @AuthenticationPrincipal CustomOAuth2User customOAuth2User) {
+        memberTraitService.saveMemberTraitResponse(request, customOAuth2User.getMember());
+        return ResponseEntity.ok(ApiResponse.success("성향 검사 결과를 등록했습니다."));
+    }
 }
diff --git a/src/main/java/com/mycom/backenddaengplace/trait/domain/MemberTraitResponse.java b/src/main/java/com/mycom/backenddaengplace/trait/domain/MemberTraitResponse.java
index b5e150b..f0c92c6 100644
--- a/src/main/java/com/mycom/backenddaengplace/trait/domain/MemberTraitResponse.java
+++ b/src/main/java/com/mycom/backenddaengplace/trait/domain/MemberTraitResponse.java
@@ -3,6 +3,7 @@
 import com.mycom.backenddaengplace.member.domain.Member;
 import jakarta.persistence.*;
 import lombok.AccessLevel;
+import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 
@@ -29,4 +30,11 @@ public class MemberTraitResponse {
     @JoinColumn(name = "trait_question_id", nullable = false)
     private TraitQuestion traitQuestion;
 
+    @Builder
+    public MemberTraitResponse(MemberTraitResponseId id, Member member, TraitAnswer traitAnswer, TraitQuestion traitQuestion) {
+        this.id = id;
+        this.member = member;
+        this.traitAnswer = traitAnswer;
+        this.traitQuestion = traitQuestion;
+    }
 }
diff --git a/src/main/java/com/mycom/backenddaengplace/trait/dto/request/MemberTraitResponseRequest.java b/src/main/java/com/mycom/backenddaengplace/trait/dto/request/MemberTraitResponseRequest.java
new file mode 100644
index 0000000..d7d4080
--- /dev/null
+++ b/src/main/java/com/mycom/backenddaengplace/trait/dto/request/MemberTraitResponseRequest.java
@@ -0,0 +1,12 @@
+package com.mycom.backenddaengplace.trait.dto.request;
+
+import lombok.Builder;
+import lombok.Data;
+
+@Data
+@Builder
+public class MemberTraitResponseRequest {
+    private Long memberId;
+    private Long traitQuestionId;
+    private Long traitAnswerId;
+}
diff --git a/src/main/java/com/mycom/backenddaengplace/trait/dto/request/MemberTraitResponseRequestList.java b/src/main/java/com/mycom/backenddaengplace/trait/dto/request/MemberTraitResponseRequestList.java
new file mode 100644
index 0000000..ef741ce
--- /dev/null
+++ b/src/main/java/com/mycom/backenddaengplace/trait/dto/request/MemberTraitResponseRequestList.java
@@ -0,0 +1,10 @@
+package com.mycom.backenddaengplace.trait.dto.request;
+
+import lombok.Data;
+
+import java.util.List;
+
+@Data
+public class MemberTraitResponseRequestList {
+    private List<MemberTraitResponseRequest> memberTraitResponseRequestList;
+}
diff --git a/src/main/java/com/mycom/backenddaengplace/trait/exception/TraitAnswerNotFoundException.java b/src/main/java/com/mycom/backenddaengplace/trait/exception/TraitAnswerNotFoundException.java
new file mode 100644
index 0000000..de69ff8
--- /dev/null
+++ b/src/main/java/com/mycom/backenddaengplace/trait/exception/TraitAnswerNotFoundException.java
@@ -0,0 +1,11 @@
+package com.mycom.backenddaengplace.trait.exception;
+
+import com.mycom.backenddaengplace.common.exception.BaseException;
+import org.springframework.http.HttpStatus;
+
+public class TraitAnswerNotFoundException extends BaseException {
+    public TraitAnswerNotFoundException(Long answerId) {
+        super(String.format("성향 답변 ID [%d]를 찾을 수 없습니다.", answerId),
+              HttpStatus.NOT_FOUND);
+    }
+}
diff --git a/src/main/java/com/mycom/backenddaengplace/trait/exception/TraitQuestionNotFoundException.java b/src/main/java/com/mycom/backenddaengplace/trait/exception/TraitQuestionNotFoundException.java
new file mode 100644
index 0000000..64164f4
--- /dev/null
+++ b/src/main/java/com/mycom/backenddaengplace/trait/exception/TraitQuestionNotFoundException.java
@@ -0,0 +1,11 @@
+package com.mycom.backenddaengplace.trait.exception;
+
+import com.mycom.backenddaengplace.common.exception.BaseException;
+import org.springframework.http.HttpStatus;
+
+public class TraitQuestionNotFoundException extends BaseException {
+    public TraitQuestionNotFoundException(Long questionId) {
+      super(String.format("성향 질문 ID [%d]를 찾을 수 없습니다.", questionId),
+              HttpStatus.NOT_FOUND);
+    }
+}
diff --git a/src/main/java/com/mycom/backenddaengplace/trait/repository/MemberTraitResponseRepository.java b/src/main/java/com/mycom/backenddaengplace/trait/repository/MemberTraitResponseRepository.java
new file mode 100644
index 0000000..e55f714
--- /dev/null
+++ b/src/main/java/com/mycom/backenddaengplace/trait/repository/MemberTraitResponseRepository.java
@@ -0,0 +1,8 @@
+package com.mycom.backenddaengplace.trait.repository;
+
+import com.mycom.backenddaengplace.trait.domain.MemberTraitResponse;
+import com.mycom.backenddaengplace.trait.domain.MemberTraitResponseId;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface MemberTraitResponseRepository extends JpaRepository<MemberTraitResponse, MemberTraitResponseId> {
+}
diff --git a/src/main/java/com/mycom/backenddaengplace/trait/repository/TraitAnswerRepository.java b/src/main/java/com/mycom/backenddaengplace/trait/repository/TraitAnswerRepository.java
new file mode 100644
index 0000000..352fc6a
--- /dev/null
+++ b/src/main/java/com/mycom/backenddaengplace/trait/repository/TraitAnswerRepository.java
@@ -0,0 +1,7 @@
+package com.mycom.backenddaengplace.trait.repository;
+
+import com.mycom.backenddaengplace.trait.domain.TraitAnswer;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface TraitAnswerRepository extends JpaRepository<TraitAnswer, Long> {
+}
diff --git a/src/main/java/com/mycom/backenddaengplace/trait/service/MemberTraitService.java b/src/main/java/com/mycom/backenddaengplace/trait/service/MemberTraitService.java
new file mode 100644
index 0000000..f97a0e4
--- /dev/null
+++ b/src/main/java/com/mycom/backenddaengplace/trait/service/MemberTraitService.java
@@ -0,0 +1,53 @@
+package com.mycom.backenddaengplace.trait.service;
+
+import com.mycom.backenddaengplace.member.domain.Member;
+import com.mycom.backenddaengplace.trait.domain.MemberTraitResponse;
+import com.mycom.backenddaengplace.trait.domain.MemberTraitResponseId;
+import com.mycom.backenddaengplace.trait.domain.TraitAnswer;
+import com.mycom.backenddaengplace.trait.domain.TraitQuestion;
+import com.mycom.backenddaengplace.trait.dto.request.MemberTraitResponseRequest;
+import com.mycom.backenddaengplace.trait.dto.request.MemberTraitResponseRequestList;
+import com.mycom.backenddaengplace.trait.exception.TraitAnswerNotFoundException;
+import com.mycom.backenddaengplace.trait.exception.TraitQuestionNotFoundException;
+import com.mycom.backenddaengplace.trait.repository.MemberTraitResponseRepository;
+import com.mycom.backenddaengplace.trait.repository.TraitAnswerRepository;
+import com.mycom.backenddaengplace.trait.repository.TraitQuestionRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class MemberTraitService {
+
+    private final TraitAnswerRepository traitAnswerRepository;
+    private final TraitQuestionRepository traitQuestionRepository;
+    private final MemberTraitResponseRepository memberTraitResponseRepository;
+
+    public void saveMemberTraitResponse(MemberTraitResponseRequestList requestList, Member member) {
+        for (MemberTraitResponseRequest request : requestList.getMemberTraitResponseRequestList()) {
+
+            TraitQuestion traitQuestion = traitQuestionRepository.findById(request.getTraitQuestionId())
+                    .orElseThrow(() -> new TraitQuestionNotFoundException(request.getTraitQuestionId()));
+
+            TraitAnswer traitAnswer = traitAnswerRepository.findById(request.getTraitAnswerId())
+                    .orElseThrow(() -> new TraitAnswerNotFoundException(request.getTraitAnswerId()));
+
+            // 복합키 생성
+            MemberTraitResponseId responseId = new MemberTraitResponseId(
+                    member.getId(),
+                    request.getTraitAnswerId(),
+                    request.getTraitQuestionId()
+            );
+
+            MemberTraitResponse response = MemberTraitResponse.builder()
+                    .id(responseId)
+                    .member(member)
+                    .traitQuestion(traitQuestion)
+                    .traitAnswer(traitAnswer)
+                    .build();
+
+            memberTraitResponseRepository.save(response);
+        }
+    }
+
+}