Traumatic subarachnoid hemorrhage is a common pathological change in acute craniocerebral injury, the treatment method is common routine transfusion, hemostasis, dehydration, nutritional support and other treatments, combined with cerebral contusion or intracranial hematoma, craniotomy should be performed, postoperative anti-inflammatory, dehydration, nimodipine micropump intravenous injection of 3-5 ml/h, intermittent lumbar puncture or placement of tubes and drainage for 3-7 days, emergency treatment of subarachnoid hemorrhage. The following points need to be noted in the treatment process: 1, timely access to medical care; 2, keep the head in a high lateral position, timely clean up the vomit in the mouth; 3, avoid long-distance transportation, the nearest medical care; 4, the transfer of the patient should be escorted by medical personnel and always observe the changes in the condition of the patient; 5, before the transfer of the patient should be given to dehydration, hypotension, and other treatments, given to the antispasmodic and analgesic, and absolute bed rest; 6, avoid vibration as much as possible in the process of transportation; 7, the amount of hemorrhage When the bleeding is large, ventricular puncture drainage or lumbar puncture is feasible, and hemorrhagic cerebrospinal fluid is released; 8, actively search for the cause of intracranial aneurysms or intracranial venous malformations should be surgically treated after diagnosis; 9, pay attention to the changes in blood pressure at any time; 10, keep a happy mood and avoid emotional tension.