1. Immediately remain calm, wait for the police to arrive, and explain in detail the process, reasons, and personnel involved in the fight to the police.
2. Cooperate with the police investigation, including providing personal identification information, contact information, and possible witness information or video evidence.
3. According to police instructions, it may be necessary to go to the hospital for a physical examination and follow legal procedures such as questioning, taking notes, etc. Subsequently, it may also be necessary to participate in mediation or appear in court.