1. Go to ICBC, CCB and other bank counters to verify the bank card with your ID card. The bank will bind the bank card and ID card separately, open online banking business in the bank, and carry out authentication operations such as digital signature.

2. Use third-party authentication platforms, such as Alipay and WeChat, and bind the bank card for authentication after the ID card is authenticated.

3. You can perform corresponding operations according to the provided authentication method, and usually you need to provide information such as ID card and mobile phone number to perform relevant operation authentication.