Serpiginous eruption is known as herpes zoster, and the disease may initially present with systemic symptoms such as malaise, fever, lack of appetite, and burning or searing pain in the affected area of the skin, with significant pain sensitivity to touch. Herpes zoster will have flu-like symptoms before the appearance of the rash, such as mild malaise, low-grade fever, lack of appetite, headache and other systemic symptoms, and the skin around the corresponding nerves burning sensation, tingling, numbness and other abnormal sensations, touching the skin with obvious pain sensitivity, lasting 1 to 3 days, but also palpable lymph node enlargement, accompanied by pressure pain. Herpes zoster is caused by chickenpox-herpes zoster virus infection, typically manifested as unilateral papules and blisters on the body, accompanied by significant pain. Herpes zoster is somewhat self-limiting, but untreated, it may leave significant nerve damage that manifests as symptoms such as postherpetic neuralgia. If herpes zoster is diagnosed, you should immediately go to the hospital, under the treatment of the doctor for active treatment, do not take unauthorized treatment to avoid adverse reactions.