Postal credit cards are easy to use. Here are some advantages of using postal credit cards:

1. Online payment convenience: Postal credit cards usually support online payments at home and abroad, including in various Shopping on e-commerce platforms is convenient and fast.

2. No annual fee or low annual fee: Some postal credit cards offer no annual fee or low annual fee policy, which reduces the burden on cardholders.

3. Points and preferential activities: Postal credit cards usually provide points rewards and preferential activities, such as shopping cash back, airline mileage accumulation, etc., which can provide additional benefits during the consumption process.

4. Convenient ATM withdrawals: Postal credit cards can usually be withdrawn from ATM machines in the UnionPay network, providing a certain degree of financial flexibility.