Abstract: Objective Analyzing the status of medical device adverse events, the function of the clinical medical engineers in medical device adverse event monitoring was investigated. Methods Through introducing the functions of the various departments in the medical device adverse event monitoring, the technical requirements and management responsibilities of clinical medical engineer and medical staff were defined. Results Enhancing the function of clinical medical engineers in medical device adverse event monitoring, which is an effective measure to prevent medical device adverse events. Conclusion Play the functions of clinical engineers in the medical device adverse event monitoring, which is significant to improve the using quality of medical devices and to ensure patient safety.