There are 1?024 cases of severe head injury hospita lized. 917 of them were closed head injury (89, 55%), 107 of them were opening head injury(10.45%). Results: good recover: 326(31.83%).moderate disability: 185(18.07%), severe inability 139(13.50%), persistent vegetative state 59(5.75%), death 315 (30.76%). Conclusion: The early diagn osis and treatment of sever head injury is beneficial to the outcome of these patients. Special trea tment to different phrase of severe head injury, especially the moderate hypothermia treatment, co uld improve the outcome of these patients.