According to different card types, the validity period of ABC credit cards will be different, generally divided into 3 years, 5 years and 8 years. You can check the expiration date of the embossed card "MM/YY" on the front of the application card. The first two digits are the expiration month and the last two digits are the expiration year. For example, "12/ 13" means it will expire on 2013123.