diff --git a/src/components/TransactionCard.tsx b/src/components/TransactionCard.tsx
index 75d6ed3..b4a0fa6 100644
--- a/src/components/TransactionCard.tsx
+++ b/src/components/TransactionCard.tsx
@@ -1,8 +1,10 @@
 
 import React, { useState } from 'react';
-import { ArrowDownIcon, Coffee, Home, Car } from 'lucide-react';
 import { cn } from '@/lib/utils';
 import TransactionEditDialog from './TransactionEditDialog';
+import TransactionIcon from './transaction/TransactionIcon';
+import TransactionDetails from './transaction/TransactionDetails';
+import TransactionAmount from './transaction/TransactionAmount';
 
 export type Transaction = {
   id: string;
@@ -13,12 +15,6 @@ export type Transaction = {
   type: 'expense' | 'income';
 };
 
-const categoryIcons: Record<string, React.ReactNode> = {
-  식비: <Coffee size={18} />,
-  생활비: <Home size={18} />,
-  교통비: <Car size={18} />,
-};
-
 interface TransactionCardProps {
   transaction: Transaction;
   onUpdate?: (updatedTransaction: Transaction) => void;
@@ -31,12 +27,6 @@ const TransactionCard: React.FC<TransactionCardProps> = ({
   const [isEditDialogOpen, setIsEditDialogOpen] = useState(false);
   const { title, amount, date, category, type } = transaction;
   
-  const formattedAmount = new Intl.NumberFormat('ko-KR', {
-    style: 'currency',
-    currency: 'KRW',
-    maximumFractionDigits: 0
-  }).format(amount);
-
   const handleSaveTransaction = (updatedTransaction: Transaction) => {
     if (onUpdate) {
       onUpdate(updatedTransaction);
@@ -51,22 +41,11 @@ const TransactionCard: React.FC<TransactionCardProps> = ({
       >
         <div className="flex items-center justify-between">
           <div className="flex items-center gap-3">
-            <div className="p-2 rounded-full bg-neuro-income/10 text-neuro-income">
-              {categoryIcons[category] || <Coffee size={18} />}
-            </div>
-            
-            <div>
-              <h3 className="text-sm font-medium">{title}</h3>
-              <p className="text-xs text-gray-500">{date}</p>
-            </div>
+            <TransactionIcon category={category} />
+            <TransactionDetails title={title} date={date} />
           </div>
           
-          <div className="flex items-center gap-1">
-            <ArrowDownIcon size={12} className="text-neuro-income" />
-            <span className="font-medium text-neuro-income">
-              {formattedAmount}
-            </span>
-          </div>
+          <TransactionAmount amount={amount} />
         </div>
       </div>
 
diff --git a/src/components/TransactionEditDialog.tsx b/src/components/TransactionEditDialog.tsx
index debc7f8..966a89b 100644
--- a/src/components/TransactionEditDialog.tsx
+++ b/src/components/TransactionEditDialog.tsx
@@ -16,7 +16,8 @@ import { Form } from '@/components/ui/form';
 import { toast } from '@/components/ui/use-toast';
 import TransactionFormFields, { 
   transactionFormSchema, 
-  formatWithCommas 
+  formatWithCommas,
+  TransactionFormValues
 } from './transaction/TransactionFormFields';
 import TransactionDeleteAlert from './transaction/TransactionDeleteAlert';
 
@@ -35,16 +36,16 @@ const TransactionEditDialog: React.FC<TransactionEditDialogProps> = ({
   onSave,
   onDelete
 }) => {
-  const form = useForm({
+  const form = useForm<TransactionFormValues>({
     resolver: zodResolver(transactionFormSchema),
     defaultValues: {
       title: transaction.title,
       amount: formatWithCommas(transaction.amount.toString()),
-      category: transaction.category as any,
+      category: transaction.category as '식비' | '생활비' | '교통비',
     },
   });
 
-  const handleSubmit = (values: any) => {
+  const handleSubmit = (values: TransactionFormValues) => {
     // Remove commas from amount string and convert to number
     const cleanAmount = values.amount.replace(/,/g, '');
     
diff --git a/src/components/transaction/TransactionAmount.tsx b/src/components/transaction/TransactionAmount.tsx
new file mode 100644
index 0000000..916d490
--- /dev/null
+++ b/src/components/transaction/TransactionAmount.tsx
@@ -0,0 +1,26 @@
+
+import React from 'react';
+import { ArrowDownIcon } from 'lucide-react';
+
+interface TransactionAmountProps {
+  amount: number;
+}
+
+const TransactionAmount: React.FC<TransactionAmountProps> = ({ amount }) => {
+  const formattedAmount = new Intl.NumberFormat('ko-KR', {
+    style: 'currency',
+    currency: 'KRW',
+    maximumFractionDigits: 0
+  }).format(amount);
+
+  return (
+    <div className="flex items-center gap-1">
+      <ArrowDownIcon size={12} className="text-neuro-income" />
+      <span className="font-medium text-neuro-income">
+        {formattedAmount}
+      </span>
+    </div>
+  );
+};
+
+export default TransactionAmount;
diff --git a/src/components/transaction/TransactionDetails.tsx b/src/components/transaction/TransactionDetails.tsx
new file mode 100644
index 0000000..8cfe9a4
--- /dev/null
+++ b/src/components/transaction/TransactionDetails.tsx
@@ -0,0 +1,18 @@
+
+import React from 'react';
+
+interface TransactionDetailsProps {
+  title: string;
+  date: string;
+}
+
+const TransactionDetails: React.FC<TransactionDetailsProps> = ({ title, date }) => {
+  return (
+    <div>
+      <h3 className="text-sm font-medium">{title}</h3>
+      <p className="text-xs text-gray-500">{date}</p>
+    </div>
+  );
+};
+
+export default TransactionDetails;
diff --git a/src/components/transaction/TransactionIcon.tsx b/src/components/transaction/TransactionIcon.tsx
new file mode 100644
index 0000000..98e73da
--- /dev/null
+++ b/src/components/transaction/TransactionIcon.tsx
@@ -0,0 +1,23 @@
+
+import React from 'react';
+import { Coffee, Home, Car } from 'lucide-react';
+
+export const categoryIcons: Record<string, React.ReactNode> = {
+  식비: <Coffee size={18} />,
+  생활비: <Home size={18} />,
+  교통비: <Car size={18} />,
+};
+
+interface TransactionIconProps {
+  category: string;
+}
+
+const TransactionIcon: React.FC<TransactionIconProps> = ({ category }) => {
+  return (
+    <div className="p-2 rounded-full bg-neuro-income/10 text-neuro-income">
+      {categoryIcons[category] || <Coffee size={18} />}
+    </div>
+  );
+};
+
+export default TransactionIcon;