1. Credit cards are generally password+signature consumption. If the credit card consumption is not signed by myself, handwriting identification can be carried out.

2. When others use my credit card to spend money, they are not together in time and space. I can ask the judicial organ to retrieve the video of others' consumption;

3. If the cardholder lends the credit card to others, the cardholder can fix the evidence of others borrowing the credit card by telephone, SMS, WeChat, QQ, etc.

4. Find an insider to testify.

legal ground

Article 50 of the Criminal Procedure Law

All the materials that can be used to prove the facts of the case are evidence. Evidence includes:

(1) Physical evidence;

(2) Documentary evidence;

(3) Testimony of witnesses;

(4) the victim's statement;

(5) confessions and excuses of criminal suspects and defendants;

(6) Appraisal opinions;

(7) Records of the inquest, inspection, appraisal, investigation and experiment;

(8) Audio-visual materials and electronic data. The evidence must be verified before it can be used as the basis for finalizing the case.