1. No matter how much the credit card is owed, it may be subject to civil litigation. 2. If the overdraft amount reaches more than 654.38+00000 yuan, and the card issuing bank fails to return it for more than 3 months, it constitutes the crime of credit card fraud and will be investigated for criminal responsibility. Article 196 of the Criminal Law of People's Republic of China (PRC) commits credit card fraud under any of the following circumstances. If the amount is relatively large, it shall be sentenced to fixed-term imprisonment of not more than five years or criminal detention, and shall also be fined not less than 20,000 yuan but not more than 200,000 yuan; If the amount is huge or there are other serious circumstances, he shall be sentenced to fixed-term imprisonment of not less than five years but not more than ten years, and shall also be fined not less than 50,000 yuan but not more than 500,000 yuan; If the amount is especially huge or there are other particularly serious circumstances, he shall be sentenced to fixed-term imprisonment of not less than 10 years or life imprisonment, and shall also be fined not less than 50,000 yuan but not more than 500,000 yuan, or his property shall be confiscated: (1) using a forged credit card or using a credit card fraudulently obtained with false identification; (2) Using an invalid credit card; (3) Fraudulent use of another person's credit card; (4) malicious overdraft. If the cardholder overdraws beyond the prescribed limit or time limit for the purpose of illegal possession, and fails to return it for more than 3 months after being urged twice by the issuing bank, it shall be deemed as malicious overdraft as stipulated in Article 196 of the Criminal Law. The amount of malicious overdraft refers to the amount that the cardholder refuses to return or has not returned under the conditions stipulated in the first paragraph. Does not include compound interest, late fees, handling fees and other fees charged by the issuing bank.