legal analysis: reselling one's own and others' bank cards is an act of obstructing credit card management, and if the circumstances are serious, it will constitute a crime of obstructing credit card management.

Legal basis: Article 177-1 of the Criminal Law of the People's Republic of China, the crime of obstructing credit card management, in any of the following circumstances, shall be sentenced to fixed-term imprisonment of not more than three years or criminal detention, and shall also or only be fined not less than 1, yuan but not more than 1, yuan; If the amount is huge or there are other serious circumstances, he shall be sentenced to fixed-term imprisonment of not less than three years but not more than 1 years, and shall also be fined not less than 2, yuan but not more than 2, yuan:

(1) Holding and transporting a large number of counterfeit credit cards knowingly, or holding and transporting a blank credit card knowingly;

(2) illegally holding other people's credit cards in a large number;

(3) fraudulently obtaining a credit card by using false identification;

(4) selling, buying or providing others with forged credit cards or credit cards fraudulently obtained with false identification.

whoever steals, buys or illegally provides other people's credit card information shall be punished in accordance with the provisions of the preceding paragraph.

any employee of a bank or other financial institution who commits the crime mentioned in the second paragraph by taking advantage of his position shall be given a heavier punishment.