(1) Using the techniques of microbiology, parasitology, immunology, molecular biology, etc., separate and identify various pathogens, and determine the infection level, immune level and immune effect of related diseases such as human and animal hosts;
(2) Microbiological and theoretical inspection of the sanitary quality of food and food, drinking water and source water, as well as pipelines, chemical treatment agents and water purification equipment related to water supply, public places, cosmetics, daily chemicals and health products, medical and health products, sanitary appliances and medical devices for disinfection, pest control and rodent control, so as to provide scientific basis for health supervision and management;
(3) Toxicological safety evaluation of new resources, new products, pesticides and disinfection insecticides by toxicological technology;
(4) Monitoring physical factors such as noise, microwave, vibration, high frequency, radiation and chemical factors such as toxic and harmful gases in production, life and special places;
(5) research and develop new inspection techniques and methods, and participate in scientific research in related disciplines.