The method is as follows:

1. Stop using the infringing trademark: First, you need to stop using the infringing trademark to avoid further infringement.

2. Check trademark ownership: Check the ownership of the infringing trademark, confirm whether there is a conflict of trademark rights, and consult a professional trademark agency.

3. Negotiation and settlement: Confirm that there is a trademark infringement problem, negotiate with the trademark owner, and negotiate to solve the infringement problem.

4. Information filing: After reaching an agreement with the trademark owner, the contents of the agreement need to be filed in writing for future needs.

5. Change of trademark: Unable to reach an agreement with the trademark owner, it is necessary to change the trademark, re-register the trademark and use the new trademark.