Postherpetic neuralgia in this case refers to postherpetic neuralgia, the use of nerve block treatment for postherpetic neuralgia is more effective, and this treatment is also very common nowadays. Nerve blocking treatment method can effectively improve the postherpetic neuralgia, mainly for stubborn skin pain, can effectively solve the symptoms of pain, the effect is also relatively fast, and will not produce too much traumatic, can effectively reduce the patient’s pain, should pay attention to strengthen the anti-inflammatory after the operation, to avoid the phenomenon of infection during the recovery period. After the treatment, it is recommended to do a good job of local care, in the recovery period to go to the hospital for regular checkups, can be under the guidance of the doctor with nutritive nerve drugs such as methylcobalamin for relief, do not self-medication.