Herpes zoster is a skin disease caused by varicella zoster virus (VZV) infection, with prodromal symptoms, special skin lesions, neuralgia and other clinical manifestations. 1. Prodromal symptoms: some patients have weakness, low fever and other prodromal symptoms before the onset of rash, and the affected skin is self-conscious burning or burning pain and, often, nociceptive allergic manifestations. 2. Special lesions: lesions often first appear erythema, soon appeared corn grain to soybean papules, cluster distribution without fusion, followed by rapid change into blisters, blister wall tense shiny, blister liquid clarification, around the periphery of the red halo, each cluster of blisters between groups of normal skin. Skin lesions along a peripheral nerve arranged in a band, mostly occurring on one side of the body, generally not more than the midline. 3. Neuralgia: Neuralgia is one of the characteristics of this disease, which may appear before the onset of the disease or accompany the skin lesions, and is more severe in elderly patients. If you have the above symptoms of herpes zoster, you need to go to the hospital as soon as possible, and follow the doctor’s instructions to standardize the treatment, so as not to delay the condition.