diff --git a/src/main/resources/templates/goal_edit.html b/src/main/resources/templates/goal_edit.html
index ef804f2..4915c33 100644
--- a/src/main/resources/templates/goal_edit.html
+++ b/src/main/resources/templates/goal_edit.html
@@ -34,7 +34,7 @@
 
 			<div>
 				<label>目標金額</label>
-				<input type="number" th:field="*{targetAmount}" required min="1">
+				<input type="number" th:field="*{targetAmount}" min="0" max="1000000000" required>
 			</div>
 
 			<div>
diff --git a/src/main/resources/templates/profile_edit.html b/src/main/resources/templates/profile_edit.html
index 883ce67..7902a3a 100644
--- a/src/main/resources/templates/profile_edit.html
+++ b/src/main/resources/templates/profile_edit.html
@@ -70,6 +70,7 @@
 		                           class="form-control"
 		                           th:field="*{saving}"
 		                           min="0"
+								   max="1000000000"
 		                           required>
 		                </div>
 
@@ -82,6 +83,7 @@
 		                           class="form-control"
 		                           th:field="*{annualIncome}"
 		                           min="0"
+								   max="100000000"
 		                           required>
 		                </div>
 
@@ -94,6 +96,7 @@
 		                           class="form-control"
 		                           th:field="*{monthlyBudget}"
 		                           min="0"
+								   max="10000000"
 		                           required>
 		                </div>
 
diff --git a/src/main/resources/templates/transaction_create.html b/src/main/resources/templates/transaction_create.html
index f9d1ac9..2fb96f2 100644
--- a/src/main/resources/templates/transaction_create.html
+++ b/src/main/resources/templates/transaction_create.html
@@ -38,7 +38,8 @@
 	                    <input type="date"
 	                           id="transactionDate"
 	                           class="form-control"
-	                           th:value="*{transactionDate}">
+	                           th:value="*{transactionDate}" 
+							   required>
 
 	                </div>
 
@@ -51,7 +52,8 @@
 
 	                    <select id="transactionType"
 	                            class="form-select"
-	                            th:field="*{transactionType}">
+	                            th:field="*{transactionType}"  
+								required>
 
 	                        <option value="">
 	                            選択してください
@@ -78,7 +80,8 @@
 
 	                    <select id="categoryId"
 	                            class="form-select"
-	                            th:field="*{categoryId}">
+	                            th:field="*{categoryId}"  
+								required>
 
 	                        <option value="">
 	                            選択してください
@@ -105,7 +108,9 @@
 	                           class="form-control"
 	                           th:field="*{amount}"
 	                           min="0"
-	                           placeholder="金額を入力してください">
+							   max="100000000"
+	                           placeholder="金額を入力してください"  
+							   required>
 
 	                </div>
 
diff --git a/src/main/resources/templates/transaction_update.html b/src/main/resources/templates/transaction_update.html
index 5d1933b..3817ee4 100644
--- a/src/main/resources/templates/transaction_update.html
+++ b/src/main/resources/templates/transaction_update.html
@@ -44,7 +44,8 @@
 						    id="transactionDate"
 						   	class="form-control"
 						   	name="transactionDate" 
-						   	th:value="*{transactionDate}">
+						   	th:value="*{transactionDate}"
+							required>
 				    </div>
 
                     <div class="mb-3">
@@ -56,7 +57,8 @@
 
                         <select id="transactionType"
                                 class="form-select"
-                                th:field="*{transactionType}">
+                                th:field="*{transactionType}"
+								required>
 
                             <option value="">
                                 選択してください
@@ -83,7 +85,8 @@
 
                         <select id="categoryId"
                                 class="form-select"
-                                th:field="*{categoryId}">
+                                th:field="*{categoryId}"
+								required>
 
                             <option value="">
                                 選択してください
@@ -110,7 +113,9 @@
                                class="form-control"
                                th:field="*{amount}"
                                min="0"
-                               placeholder="金額を入力してください">
+							   max="100000000"
+                               placeholder="金額を入力してください"
+							   required>
 
                     </div>
 
diff --git a/src/main/resources/templates/user_register.html b/src/main/resources/templates/user_register.html
index a310ce6..b8e3c0a 100644
--- a/src/main/resources/templates/user_register.html
+++ b/src/main/resources/templates/user_register.html
@@ -138,6 +138,7 @@
                                class="form-control"
                                th:field="*{saving}"
                                min="0"
+							   max="1000000000"
                                required>
                     </div>
 
@@ -152,6 +153,7 @@
                                class="form-control"
                                th:field="*{annualIncome}"
                                min="0"
+							   max="100000000"
                                required>
                     </div>
 
@@ -166,13 +168,14 @@
                                class="form-control"
                                th:field="*{monthlyBudget}"
                                min="0"
+							   max="10000000"
                                required>
                     </div>
 
                     <div class="mb-3">
                         <label for="goalId"
                                class="form-label">
-                            目標ID
+                            目標貯金額
                         </label>
 
                         <input type="number"
@@ -180,6 +183,7 @@
                                class="form-control"
                                th:field="*{goalId}"
                                min="0"
+							   max="1000000000"
                                required>
                     </div>