1. Understand the legal provisions: Make sure to understand the operational requirements and provisions of local laws for health centers or similar places. This can ensure that the operation meets the legal requirements, and also ensure that you know your rights and obligations when communicating with the police.

2. Communicate with the police: You can communicate with the police and ask them why they check frequently. Respect and maintain cooperation with them and seek solutions to problems. Understand their concerns and try to provide reasonable explanations and evidence to prove that the health center is legally operated.