CT scan has been inevitable method for patient with head trauma. CT scans of 94 cases which were com-firmed skull fracture by plain film were reviewed for better and useful dealing oc CT. The results were as follows: 1.Car accident was the most frequent cause of head injury. 2. No evidence of intracranial abnormality in CT scan of skull fractures on plane film was 45.7% and alert men-tality was 46.8% of skull fracture on skull fracture on simple film. 3. Detection rate on CT scan to skull fractures was 27.7% but detection rate to depression fractures of skull fracture was 70.2% 4. Motality rate of patients with skull fracture was 10.6% 5. Associated CT findings were pneumocephalus on CT scan 3.2% contusion or edema 4.2% epidural hematoma 16.0% subdural hematoma 17.0% subdural hygroma 2.1% intracerebral hemorrhage 4.9% and subarachni-od hemorrhage 2.0%.