“Rotten waistband” is the common name for herpes zoster, which is a disease caused by the varicella-zoster virus, and is susceptible to the disease when the immune system is low, because herpes occurs mostly in the unilateral waist, known as striped distribution, so the common people are commonly known as “rotten waistband”. Herpes zoster is a disease caused by the activation of the varicella zoster virus latent in the sensory ganglia of the human body, mainly skin damage, and is prone to herpes zoster when the immune function is low. It is characterized by the appearance of clusters of blisters in the form of bands in the corresponding skin areas along unilateral nerves of the body, and may be associated with severe localized pain. The infectious agents of the disease are patients with chickenpox and herpes zoster. The virus is transmitted by respiratory droplets or direct contact. The population is generally susceptible, and the disease may recur even after it has resolved. Patients often have unilateral, zonally arranged herpes and neuralgia. The disease must sometimes be differentiated from herpes simplex, which is recurrent, irregularly distributed, and painless. Herpes zoster is a self-limiting disease, can be treated by antiviral therapy, such as acyclovir, ganciclovir, etc., accompanied by pain can be used as appropriate pain treatment, such as ibuprofen, gabapentin, etc., can also be combined with methylcobalamin, vitamin B1 nutritional nerves, the specific use of medication should follow the doctor’s instructions. If you suffer from shingles, you should consult a doctor for standardized treatment, and keep the affected area clean during treatment to prevent secondary bacterial infections.