In order to prevent infectious diseases, kindergartens should do a good job of disinfection, keep the surrounding places clean, teach children to use handkerchiefs and towels, don't spray people when sneezing, cover their mouths with handkerchiefs, and don't put unclean things in their mouths. Let children wash their hands frequently and diagnose and evaluate their health. Kindergartens should strictly check the situation of vaccination and sick children. Teachers should know about infectious diseases and other diseases. If an infectious disease is found, make a good record, make preparations in advance, have emergency measures, and disinfect and isolate items for children. Do a good morning check-up, cultivate children's daily physical exercise, and adhere to prevention first.