Because chickenpox is transmitted by respiratory droplets and direct contact, the prevention of chickenpox is specifically as follows: 1, the patient should be isolated and treated until all the herpes crusts fall off; 2, for close contacts of chickenpox patients, medical observation is required for about three weeks before the isolation can be lifted; for close contacts who are weak, the purpose of emergency prevention of chickenpox can be achieved by intramuscular injection of gammaglobulin; 3, the chickenpox patient’s The clothes, toys and utensils of chickenpox patients should be fully disinfected; 4. The living environment needs to be ventilated, which can achieve the purpose of sterilization and killing the virus; 5.