Headache caused by a fall is a very common phenomenon, after head trauma, the vast majority of patients have more or less headache, dizziness, the formation of the following two main reasons: 1, head trauma injury is more serious, cranial CT examination suggests that there is intracranial hemorrhage, hematoma will cause stimulation of the brain tissue as well as the hematoma will lead to increased intracranial pressure, resulting in the dura mater above the nerves are pulled to cause a headache, severe When the patient will be combined with nausea, vomiting, coma, etc.; 2, head trauma injury is not serious, cranial CT examination suggests that intracranial hemorrhage, the patient may also lead to headache, the reason is that due to head trauma, scalp soft tissue damage caused by scalp nerve stimulation, brain tissue is shocked, the dura mater above the nerves will also produce stimulation, which will lead to headache.