1. Open the browser and visit Ping An Securities Company official website.
2. On the homepage or user center page, look for options about bank card management or account setting.
3. Click the corresponding option to enter the bank card management page.
4. On the bank card management page, there will be an option or a button marked "change bank card" or similar words.
5. After clicking the "change bank card" option, the system will ask for identity verification to ensure that it is the legal holder of the account.
6. After completing the identity verification, you should fill in the relevant information of the new bank card, such as the bank card number, bank, etc.
7. After submitting the request to change the bank card, the system will handle it accordingly.