Flying snake disease, also known as herpes zoster, is caused by varicella-zoster virus infection. The clinical manifestations are clusters of corn- to green-bean-sized papules on one side of the body, which rapidly turn into blisters. The rash is usually not more than the midline of the body surface, accompanied by pain. The treatment is based on antiviral, nerve nutrition, immunity regulation and pain relief. 1. antiviral: you can take oral famciclovir 0.25g once, 3 times a day. 2. nerve nutrition: you can inject vitamin B1 and B12 each for 7-10 days. 3. immunity regulation: you can take oral thymus peptide, thin glucose peptide or splenomycin lyophilized powder. 4. pain relief: you can take oral gabapentin tablets 0.3g once, 3 times a day. and 3 times a day.