Closed-loop management is the connotation requirement of refined management of medical devices.Through wireless Internet of Things technology,combined with the endoscopic image information system,an integrated flexible endoscopic closed-loop management system was built between the general hospital and the branch hospital to implement the closed-loop management of the flexible endoscope before,during and after use,and trace the records of the washing,disinfection and use.The service quality of the system was evaluated based on the SERVQUAL model,which was conducive to clarifying users'needs,continuously improving system functions,and ensuring the safe use of flexible endoscope.