The live attenuated varicella vaccine is relatively effective in preventing the development of chickenpox in children, in which the rate of protection can reach 85% or 95%, and generally lasts for more than 10 years. Therefore, for children of the appropriate age, it is best to be exposed to the chickenpox vaccine. Exposure to chickenpox vaccine time, generally at one year of age or older can be vaccinated, after the full four years of age after the second injection, usually can be vaccinated twice. Chickenpox vaccine belongs to the national program outside of the vaccine, is self-funded, the cost of about one hundred and sixty dollars, may vary from region to region. Chickenpox is still mostly a self-limiting disease, and if there are no complications, it can usually heal on its own, in about ten days. The treatment of chickenpox is mainly symptomatic, such as strengthening nursing care, changing the child’s clothes diligently, and avoiding the child scratching the chickenpox herpes fluid, because the herpes is quite scratchy, and scratching it will lead to skin infections, which may aggravate the condition. Maintain air circulation, ensure that the child’s adequate nutrition, if the skin scratching is more severe, you can use glycerine lotion, you can take oral antiviral drugs, such as acyclovir, the dosage is twenty milligrams per kilogram per time, four times a day.