First, let children wear masks and don't contact with sick children. In fact, it is impossible to keep children completely away from bacteria and viruses in public places. After all, this is a public environment where all children will play. It is still difficult to keep children away completely, but it can be reduced appropriately. When children are young, they must be taken to receive vaccination. This is to provide children with protective antibodies. In order to prevent the increase of some serious diseases, you don't need to know that your child is sick to inject this antibody. This is to prevent the child from getting sick. In addition, pay attention to the people who come into contact with children.
Second, wash your hands frequently to reduce the invasion of germs. If the child is sick, or comes into contact with some sick children, it is very likely that the child will be infected with bacterial viruses, which will lead to the child's illness, so parents must pay attention not to let the child be with the sick child. In this case, not only for their own children, but also for another child to recover at an early date. Don't take your child too much contact with people on Saturday and Sunday. Take him to public places or places where people gather, especially in winter, which is very easy for viruses and bacteria to spread. Besides, you must wash your hands often, which is one of the most effective ways to avoid the spread of bacteria. As long as you go home, you must wash your hands and wash your child's hands in seven steps, so as to effectively prevent the invasion of germs.