1. If you know swift in the head office of the bank, you can go directly to swift official website: swift.com to check the branch code. For example, the head office of China Bank: BKCHCNBJ, you can enter BKCHCNBJ in the BIC column, enter the corresponding country and city, and then click Search.

2. If you don't know the bank code, you can also enter the English name of the bank in the institution name column, such as Bank of China, and click Search for the corresponding information.

3. If you don't know the bank code or the English name of the bank, recommend a domestic website with a comprehensive bank code: swiftcode.cn. Choose a bank, city and branch, and it is relatively easy to find the information you want.

If you can't find the information you want in the option box, you can also look for it in the news area.