The incubation period of herpes zoster and within three weeks of herpes zoster are contagious. Herpes zoster is a contagious disease caused by varicella-zoster virus infection with the main clinical manifestation of unilateral skin erythema, visible clusters of blisters and accompanied by significant pain. The main treatment is antiviral therapy and nerve nutrition therapy, you can take oral acyclovir tablets or valacyclovir hydrochloride tablets, also can be combined with methylcobalamin nerve nutrition therapy. If necessary, physical treatment, such as acupuncture, cupping, etc., can be used to treat the disease, and the specific treatment should be carried out under the guidance of a clinician.