diff --git a/src/main/java/com/loafle/overflow/module/email/dao/EmailAuthDAO.java b/src/main/java/com/loafle/overflow/module/email/dao/EmailAuthDAO.java
index 0c636a9..54070bc 100644
--- a/src/main/java/com/loafle/overflow/module/email/dao/EmailAuthDAO.java
+++ b/src/main/java/com/loafle/overflow/module/email/dao/EmailAuthDAO.java
@@ -1,18 +1,23 @@
 package com.loafle.overflow.module.email.dao;
 
 import com.loafle.overflow.module.email.model.EmailAuth;
+import com.loafle.overflow.module.member.model.Member;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
 import org.springframework.stereotype.Repository;
 
+import java.util.List;
+
 /**
  * Created by geek@loafle.com on 17. 6. 6.
  */
 @Repository
 public interface EmailAuthDAO extends JpaRepository<EmailAuth, Long> {
-//    public EmailAuth findByAuthToken(EmailAuth emailAuth);
+    @Query("select e from EmailAuth e where e.emailAuthKey = :authKey")
+    EmailAuth findByEmailAuthKey(@Param("authKey") String emailAuthKey);
 
-//    public List<EmailAuth> findByMemberId(EmailAuth emailAuth);
+    List<EmailAuth> findByMember(Member member);
 
-//    public EmailAuth updateEmailAuth(EmailAuth emailAuth);
 }
 
diff --git a/src/test/java/com/loafle/overflow/module/email/dao/EmailAuthDAOTest.java b/src/test/java/com/loafle/overflow/module/email/dao/EmailAuthDAOTest.java
new file mode 100644
index 0000000..4241542
--- /dev/null
+++ b/src/test/java/com/loafle/overflow/module/email/dao/EmailAuthDAOTest.java
@@ -0,0 +1,49 @@
+package com.loafle.overflow.module.email.dao;
+
+import com.loafle.overflow.AppConfig;
+import com.loafle.overflow.JdbcConfiguration;
+import com.loafle.overflow.module.email.model.EmailAuth;
+import com.loafle.overflow.module.member.model.Member;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+import java.util.List;
+
+import static org.junit.Assert.*;
+
+/**
+ * Created by root on 17. 6. 23.
+ */
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(classes = {AppConfig.class, JdbcConfiguration.class})
+public class EmailAuthDAOTest {
+
+    @Autowired
+    private EmailAuthDAO dao;
+
+    @Test
+    public void TestSaveEmailAuth() {
+        EmailAuth auth = new EmailAuth();
+        auth.setEmailAuthKey("dbseogns1234");
+        auth.setMember(new Member(1));
+
+        this.dao.save(auth);
+    }
+
+    @Test
+    public void TestFindByEmailAuthKey() {
+        EmailAuth auth = this.dao.findByEmailAuthKey("dbseogns1234");
+        assertEquals(1, auth.getId());
+    }
+
+    @Test
+    public void TestFindByMember() {
+        List<EmailAuth> auths = this.dao.findByMember(new Member((long)1));
+
+        assertEquals(1, auths.size());
+    }
+
+}
\ No newline at end of file