The number of pediatric patients decreases significantly after half a month of summer vacation, while the number of patients increases dramatically at the beginning of the school year, and part of the increase is often infectious diseases or infectious diseases of the respiratory and intestinal tract. This shows that the group gathering place of school is one of the best infectious and infectious diseases the fastest way to spread, so school popularization to prevent infectious diseases is the most critical sector. It is also the best educational sector to improve the physical quality of the whole population. The nation often emphasizes that escape from natural disasters such as earthquakes and fires should be trained from kindergarten, but in fact the prevention of infectious diseases is as important as the prevention of natural disasters. Such as influenza, hand, foot and mouth, bird flu, AIDS, SARS, etc. take lives and cause disabilities sometimes more terrible than natural disasters. Most of the scourges caused by natural disasters are transient, while the scourges caused by infectious diseases are often long-lasting, chronic, and recurring, perhaps every such season of the year, and some diseases still have no effective methods, and the infected can still only wait helplessly for death and disability. Therefore, I suggest that the prevention of infectious diseases should start in schools. I suggest that schools should ideally check the vaccination status of all vaccines on admission and urge further vaccination reinforcement; teach proper hand washing from kindergarten onwards; do a good job of sanitation in bathrooms and door handles; do a good job of disinfecting food utensils; disinfect classrooms with ultraviolet light once a day; find more than one of the same fever, diarrhea, cough and other identical symptoms in the same class at the same time, once a serious infectious disease is diagnosed Suspend classes and schools which is the best way to cut off the transmission route and report to the education authorities at the same time to raise the level of prevention. The above is only a personal opinion and may be alarmist or nosy.