Abstract: Objective To evaluate effect of spot inspection system on improving the service quality of a medical disinfection supply center. Methods A spot inspection supervision and management team was set up, who prepared daily spot inspection tables and spot inspectoin plans. The effect of spot inspection system was evaluated by summarizing the quality problems reported by nosocomial infection supervisors and investigating the satisfaction of clinical departments. Results After the implementation of spot inspection system, less problems were reported in the work of employees in the medical disinfection supply center, and satisfaction was increased in all clinical departments in the hospital, with statistical significance （P<0.05）. Conclusion The spot inspection system can improve service quality of the medical disinfection supply center, guarantee the quality and safety of disinfection equipment and items through normalization and standardization, and ensure smooth clinical treatment and surgical procedures.

Key words: Spot inspection system, Medical disinfection supply center, Service quality, Continuous improvement