1, the concept and basic knowledge of norovirus: teachers understand and introduce the basic knowledge, transmission routes and symptoms of norovirus, and enhance their understanding of norovirus.

2. Preventive measures against Norovirus: Teachers learn and teach children how to wash their hands correctly, ventilate frequently, and do not share utensils at will to improve their awareness of prevention.

3. Diagnosis and treatment methods and drug treatment: Teachers learn the diagnosis and treatment methods of Norovirus and enhance their awareness of prevention and treatment.