Hello, thank you for your attention! There is no need to register again, but you need to activate it when you log in for the first time. The activation method is: visit the cooperative card page: /WebExhibition-Ccards-OnlineSite/#c=baiduzd? Find your corresponding bank card, click Activate, and enter the information according to the prompts. Hope the reply is helpful to you! For more information, please log in to the relevant columns of Ctrip’s official website: /Online/ypbooking/help/xcb_introduce.aspx#c=baiduzd