Keep the mobile phone reserved for credit card properly. Mobile phones can be added with power-on password or fingerprint identification to increase security. Don't provide the dynamic password of the mobile phone to anyone. You can also add a key to the credit card to prevent related transaction methods.

1. Open Ping An Bank APP, as shown in the figure.

2. Click on the credit card, as shown.

3. Click on the credit card service, as shown.

4. Click Card Protection, as shown.

5. Click one key to lock the card, as shown.

6. Slide the cotter pin to the right to make the card safer.

7. Click Settings, and you can also set the specific consumption time, with or without a card.