Kindergarten public welfare online class does not need to be attended. According to the relevant public information, kindergartens are not allowed to organize online teaching for children, and online parenting guidance can be provided to parents in combination with the actual situation. According to the physical and mental characteristics of students of different grades, schools should formulate scientific study plans, unify work and rest schedules, rationally plan the length of class hours, and appropriately extend the break time between classes.