One patient suffered from a severe pain of right hip and low extremity after herpes zoster affected three month ago, gradually felt ice-cold , sweating abnormality, combined with muscle dystrophy and limited activity in the same areas. Treatments including gabapentin, sustaining epidural drug infusion, and nerve blockade were not effective. After postherpetic neuralgia and complex regional pain syndrome was diagnosed, we perfomed the interventional therapy of right lumbar sympathetic ganglion chemical lesion. After the procedure, the feelings of pain and ice-cold were relieved dramatically, and muscle dystrophy and motor activity were gradually improved.