If it is UKEY, China Merchants Bank’s personal online banking, it is a new mobile digital certificate that China Merchants Bank uses to improve the security level of online personal banking, adopts sophisticated encryption technology, and is used in online personal banking. UKEY is used to log in to personal banking professionals. version, which can handle account inquiries, transfers and remittances, self-service payment, investment and financial management and other services. Warm reminder: UKEY does not come with storage media, so it cannot be used as a USB flash drive.