Chickenpox is. It is a self-limiting disease caused by a viral infection, and the general course of the disease is about ten days. The specific treatment is as follows: 1. Anti-viral drugs: the early application of anti-viral drug therapy, such as ganciclovir and acyclovir, can control the period of viraemia, which is conducive to the rapid recovery of the disease. 2. Pay attention to diet: eat more food containing vitamins, prohibit spicy, stimulating, badly digested food. It is forbidden to scratch the rash, which gradually crusts over and can shorten the course of treatment after entering the recovery period.3. Reduce the course of the disease: If a chickenpox patient has a rash infection, it will prolong the recovery time, which can be up to about half a month. Therefore, to reduce the course of chickenpox, early detection and early treatment are required. The course of the disease should pay attention to the diet, to prevent the infection of the rash, and at the same time to reduce the occurrence of complications.