savings card: each card has its card face, which refers to the direction of non-magnetic stripe of each card, usually the part with more patterns, in which the date of issuance and the expiration date of the card can be seen in the lower part, usually 4-1 years, depending on the specific regulations of banks and card types.

credit card: the expiration date is printed on the credit card, and the usual format is: Valid From 12/8, Valid Thru 12/11. This credit card is valid from December 28 to December 211. There are also other representations, such as: Valid Dates, Member Since, Expires End ... etc. Chinese logos are rarely seen, but they all mean the same thing, that is, the validity period.