1. Organize sampling regularly or irregularly according to the quality status of various foods, and report the sampling results to relevant departments or announce them to the public; 2. Carry out sanitary quality inspection of indoor air and establish sanitary management files; 3 to carry out the prevention and control of school health and common diseases of students, and to establish the archives of students' health status, and to participate in the preventive health evaluation of new construction, reconstruction and expansion projects of schools; 4. Provide business guidance for food hygiene inspection and hygiene inspection in public places in this Municipality; 5. Responsible for monitoring the disinfection effect of public places, nurseries and tableware within the jurisdiction, and completing the sanitary inspection of cosmetics production enterprises and markets delivered by the health administrative department at a higher level; 6. To undertake the business guidance and sanitary inspection of drinking water; 7. Conduct sanitary inspection on the sanitation and facilities of water supply units (including secondary water supply) within the jurisdiction; 8. Complete the investigation and scientific research tasks assigned by superiors, develop new methods and introduce new technologies; 9. To undertake the practical (see) practice and teaching work for students majoring in preventive medicine in medical colleges (schools); 11. Complete other tasks assigned by the Center.