This is valid until December 2026. CN is the symbol of China UnionPay card, just like the original VISA card will use the italic V letter, and the MasterCard will use the floral M letter. (The new version of VISA card and MasterCard have canceled this mark.)

In fact, the validity period of debit cards of domestic banks is basically very long or has no settings, so customers are not required to change cards frequently under normal circumstances. According to the needs, the bank can save the next business expense. To be honest, this is also an irresponsible behavior of the current banks.