Posterior neuralgia cannot be cured on its own, and needs to be treated under the guidance of a doctor, and the common ways are medication, physical therapy and so on. 1. Drug therapy: under the guidance of doctors, antiviral drugs such as acyclovir, corticosteroids such as prednisone, non-steroidal anti-inflammatory drugs such as ibuprofen can be taken for posterior neuralgia; when the pain is severe, nerve conduction blocking drugs such as carbamazepine tablets can be taken; nutritive drugs such as vitamin B1 and methylcobalamin can be taken orally. 2. Physiotherapy: infrared ray or helium-neon laser irradiation can be used for treatment to accelerate the local blood circulation, which can help the recovery of postherpetic neuralgia. Posterior neuralgia patients are advised to seek medical treatment in time, under the guidance of the doctor, reasonable treatment, taking medication should strictly comply with the doctor’s instructions, the full amount of medication, the full course of treatment.