Viral encephalitis is an infectious disease of the central nervous system caused by viruses, common viruses such as enterovirus and herpes virus, which can cause fever, headache, vomiting, and even convulsions in affected children. After convulsions occur, they must be treated actively and symptomatically as follows: 1. home for treatment by yourself, otherwise it may lead to aggravation of symptoms in the affected child. The symptoms of viral encephalitis vary in severity and may leave sequelae, such as epilepsy, which requires long-term antiepileptic drugs. Therefore, it is necessary to make a clear diagnosis, identify the cause and take effective treatment in a timely manner to reduce the occurrence of sequelae. During the illness children should get more rest and be given adequate nutrition to facilitate recovery from the disease.