RESUMO
Objective:To determine the disinfection effect in child care institutions in Qingpu District of Shanghai， and provide evidence for improving the disinfection quality and preventing and controlling infectious diseases. Methods:According to the monitoring program of disinfection quality in child care institutions in Shanghai， disinfection quality was monitored for 3 years. Results:A total of 979 samples were monitored in the consecutive three years， in which 895 samples were qualified with a total qualification rate of 91.42%. The qualification rate of air samples was 100.00%， while the rate of staff hand samples was the lowest， with an average of 79.60%. During 2016-2018， the difference among the annual qualification rates was statistically significant（χ2=23.809，P<0.05）， whereas it was not significant in the rates between public institutions and private ones （χ2=0.141，P>0.05）. Conclusion:The quality of preventive disinfection in child care institutions in Qingpu District is generally good， but the disinfection of tableware， surface of objects and staff needs to be further improved.