Legal analysis: bring a lawsuit to the court. According to the relevant laws and regulations of our country, it is a civil dispute that a friend does not repay after swiping a credit card, and it is not allowed to call the police, but he can bring a lawsuit to the people's court to solve the dispute.

Legal basis: People's Republic of China (PRC) Civil Procedure Law.

Article 3 The provisions of this Law shall apply to the people's courts in accepting civil lawsuits brought by citizens, legal persons, other organizations and among them because of property relations and personal relations.

Article 119 A prosecution must meet the following conditions: (1) The plaintiff is a citizen, legal person or other organization that has a direct interest in the case; (2) Having a clear defendant; (3) Having specific requests, facts and reasons; (4) Belonging to the scope of civil litigation accepted by the people's court and the jurisdiction of the sued people's court.

Article 120 A complaint shall be submitted to the people's court, and copies shall be submitted according to the number of defendants. If it is really difficult to write a complaint, it can be made orally, which will be recorded by the people's court and the other party will be informed.