1. Telephone customer service: Call Huaxia Bank's credit card customer service phone, follow the voice prompts to modify the transaction password, and then modify the transaction password.

2. online banking: log in to Huaxia bank credit card online banking, select "credit card", select "query password modification" under the column of "credit card settings" in the drop-down navigation, and enter the original query password and new query password as prompted to complete the query password modification.

3. Bank counter: You can ask for changing the transaction password at all branches of Huaxia Bank. Just bring your Huaxia Bank credit card to the bank counter, enter the original transaction password correctly, and then update your transaction password according to the prompts.

4. ATM modification: You can modify the credit card password at any ATM of Huaxia Bank.