diff --git a/src/main/kotlin/org/gitanimals/core/Svgs.kt b/src/main/kotlin/org/gitanimals/core/Svgs.kt
index f25a0de2..59c1064e 100644
--- a/src/main/kotlin/org/gitanimals/core/Svgs.kt
+++ b/src/main/kotlin/org/gitanimals/core/Svgs.kt
@@ -366,6 +366,10 @@ val largetTextAcceptableChars = lazy {
     acceptableTitles.toList()
 }.value
 
+val forbiddenWordsList = lazy {
+    listOf("fuck", "shit", "hate", "bitch")
+}.value
+
 val mediumNumberSvgs = lazy {
     val list = mutableListOf<String>()
     for (i in 0..9) {
diff --git a/src/main/kotlin/org/gitanimals/guild/app/request/CreateGuildRequest.kt b/src/main/kotlin/org/gitanimals/guild/app/request/CreateGuildRequest.kt
index 3515a02a..c8237b6d 100644
--- a/src/main/kotlin/org/gitanimals/guild/app/request/CreateGuildRequest.kt
+++ b/src/main/kotlin/org/gitanimals/guild/app/request/CreateGuildRequest.kt
@@ -1,6 +1,7 @@
 package org.gitanimals.guild.app.request
 
 import org.gitanimals.core.FieldType
+import org.gitanimals.core.forbiddenWordsList
 import org.gitanimals.core.largetTextAcceptableChars
 
 data class CreateGuildRequest(
@@ -16,5 +17,9 @@ data class CreateGuildRequest(
         title.forEach {
             require(it in largetTextAcceptableChars) { "Cannot accept title \"$it\"" }
         }
+
+        require(forbiddenWordsList.none { title.contains(it, ignoreCase = true) }) {
+            "Title contains forbidden word. title: \"$title\""
+        }
     }
 }
diff --git a/src/main/kotlin/org/gitanimals/guild/domain/request/ChangeGuildRequest.kt b/src/main/kotlin/org/gitanimals/guild/domain/request/ChangeGuildRequest.kt
index 705184f8..005e3498 100644
--- a/src/main/kotlin/org/gitanimals/guild/domain/request/ChangeGuildRequest.kt
+++ b/src/main/kotlin/org/gitanimals/guild/domain/request/ChangeGuildRequest.kt
@@ -1,6 +1,7 @@
 package org.gitanimals.guild.domain.request
 
 import org.gitanimals.core.FieldType
+import org.gitanimals.core.forbiddenWordsList
 import org.gitanimals.core.largetTextAcceptableChars
 
 data class ChangeGuildRequest(
@@ -15,5 +16,9 @@ data class ChangeGuildRequest(
         title.forEach {
             require(it in largetTextAcceptableChars) { "Cannot accept title \"$it\"" }
         }
+
+        require(forbiddenWordsList.none { title.contains(it, ignoreCase = true) }) {
+            "Title contains forbidden word. title: \"$title\""
+        }
     }
 }