In winter, chickenpox is highly prevalent, with an average of about five children seen with chickenpox each day, and in some classes, half of the students have chickenpox. Chickenpox is an acute infectious disease caused by varicella zoster virus. Children are common, highly contagious, the main means of transmission for droplets. It is characterized by a rash that first appears on the trunk, then spreads to the face, and finally to the extremities in a polymorphic rash: macules, papules, blisters, and scabs. Patients with chickenpox should be strictly isolated, rest, and eat a nutritious and easily digestible diet. The fever and rash period should be bed rest, give the sick child to drink more water, and supply nutritious, easily digestible food such as milk, eggs, fruits, vegetables, etc., avoid eating spicy fish and shrimp and other foods; prevent cold and flu, especially do not blow; wash your hands and face often, change clothes regularly, keep your skin clean; pay attention to the cleaning and disinfection of clothing and utensils, hygiene. The room should be ventilated frequently, and the temperature and humidity should be appropriate. Cut your nails short to avoid infection caused by children scratching the rash. If the itch is severe, you can rub furnace glycerine lotion to stop itching, you can also take paracetamol and other drugs; herpes broken can be coated with gentian violet, there is an infection can be applied locally some anti-inflammatory ointment, if necessary, you can take safranin, sulfa drugs; do not use skin relaxation, prednisone ointment, so as not to cause systemic chicken pox. If there is a persistent high fever, cough, headache, chest pain or herpes intensive, red and red, cloudy herpes fluid and has occurred diffuse abscess, cellulitis or lymphadenitis, the child should be sent to hospital for treatment. In order to prevent chickenpox transmission, the child should be isolated until the rash is all crusted over, and children who have been in contact with chickenpox patients should preferably be isolated and observed for 3 weeks. During the epidemic period, take your child to public places as little as possible.