Food safety has always been one of the focus of social concern,and elemental analysis of food testing laboratory as an important means to ensure product safety,its quality control is crucial.This paper first introduces the key role of food laboratory element analysis in ensuring product safety and the main ways of food testing laboratory element analysis.Then,the paper focuses on the problems in quality control and puts forward a series of effective quality control strategies.It is hoped to provide useful guidance for the quality control of elemental analysis in food testing laboratories to ensure food safety and public health.