The Bank of China Travel Credit Card is a good helper and good partner for cardholders when they go abroad. For the convenience of cardholders' consumption abroad, etc., online banking is usually activated at the beginning of their application. Under such circumstances, if the cardholder cannot log in to Bank of China's online banking, he or she must first confirm whether the cardholder's login username and password are correct. It doesn't matter if they have forgotten it. You can retrieve them according to the instructions on the website. Secondly, cardholders need to check whether there is a problem with their browser settings. They must enable "Download signed ActiveX controls" and "Run ActiveX controls and plug-ins" in the Internet settings. Cardholders can then download and install the bank's online banking security control, and it is best to restart their computers and browsers before trying to log in again.