Long xx,male,16 years old,After the operation because of paralysic caused by the spinal cord hemangioma,the patient recovered for a while,and he was admitted again a half year latter because of the paralysic with the dignosis of severe rigid cervical kyphosis. the muscle force  is 2 degree before operation and 3 degree after operation.After two weks cranial bow-ring traction,the patient had one-stage.operation of posterior sarew-rod orthopedic fixation .After operation,the cervical physiological lordosis recoverd,and reached to 4 degree.when left hospital six-month follow-up,the patient had recovered normal.