Legal analysis: will not be caught. But if the crime of credit card fraud is established, he will be sentenced to fixed-term imprisonment and directly imprisoned. Being detained by the police station means being detained or detained. In case of emergency, the public security organ temporarily detains the person who needs to be investigated according to law; Administrative detention refers to the detention of people who violate the administration of public security in the detention center of public security organs, which generally does not exceed fifteen days, and the longest combined punishment does not exceed twenty days. Administrative detention is the most severe administrative punishment. If the punished person refuses to accept the decision on administrative punishment for public security, he may apply for administrative reconsideration or bring an administrative lawsuit according to law. If you need to go to jail, it should constitute a malicious overdraft. Malicious overdraft is a crime.

Legal basis: 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 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. The term "malicious overdraft" as mentioned in the preceding paragraph refers to the behavior that the cardholder overdraws beyond the prescribed limit or time limit for the purpose of illegal possession, and refuses to return it after being urged by the issuing bank. Whoever steals a credit card and uses it shall be convicted and punished in accordance with the provisions of Article 264 of this Law.