Most of the chickenpox will be well in 1~2 weeks, some severe patients will complicate to prolong the healing time and need 1~2 months. Chickenpox is a viral infection that is self-limiting. If the patient is mildly ill, there will be a fever for 1~2 days, and then a macular rash and papules will appear. After a few hours, the macular rash and papules will turn into fluid-filled herpes, and the herpes will crust over in about a few days, and then gradually disappear, and the overall course of the disease will last for about 1~2 weeks. If the patient’s immunity is low, severe chickenpox will occur, manifested by systemic toxic symptoms, high fever, obvious rash is many, and large blisters will be formed, this situation is not easy to treat, and it will prolong the healing time, in addition, if chickenpox has complications, such as pneumonia, encephalitis, hepatitis and so on, it needs to be treated for the complications, which is about 1~2 months. The same disease patients with different physical conditions, a few days can be good is not necessarily, it is recommended to go to the regular hospital to receive treatment to reduce the adverse effects of the disease.