Lidocaine gel can be used to treat shingles and can relieve the symptoms of nerve pain caused by shingles. Herpes zoster is a skin disease caused by infection with varicella-zoster virus. Since the virus can cause damage to the local nerves, it will manifest in the clinic as nerve pain symptoms such as burning and tingling of the skin, and may even leave behind neurological sequelae. For the treatment of herpes zoster, in addition to the administration of antiviral drugs (acyclovir, etc.) and nutritive nerve drugs (vitamin B1, methylcobalamin, etc.), it can also be treated with analgesic drugs appropriately according to the severity of the pain. The main ingredient of lidocaine gel is lidocaine, which belongs to the local anesthetic, and local topical application can relieve the neuralgia of herpes zoster to a certain extent, so it can be used for the adjuvant treatment of herpes zoster. In order to ensure the safety and effectiveness of the medication, it must be used in strict compliance with the doctor’s instructions to avoid causing serious adverse reactions.