The on-site examination for NMPA registration is a critical process to demonstrate that the manufacturing facility complies with the required standards, particularly in terms of product quality and safety. Thorough preparation is key to ensuring that the facility passes the inspection smoothly. By focusing on compliance with GMP, proper documentation, clean and organized facilities, and readiness for the inspection process, manufacturers can improve their chances of a successful on-site examination and the subsequent approval of their medical device registration in China.