Legal analysis: Some criminals will take the cardholder's information when they help the cardholder to swipe the card after repayment, which poses great risks to the cardholder's property safety. This is the most risky. Personal information is leaked, and criminals can use it to do many illegal and criminal acts, including illegally registering bank cards and stealing credit cards.

Legal basis: According to the relevant judicial interpretation of Article 196 of the Criminal Law of People's Republic of China (PRC), for the purpose of illegal possession, the amount of credit card holders is more than 5,000 yuan, which constitutes the crime of credit card fraud and will be executed in accordance with the provisions of the Criminal Law.