Post-traumatic brain injury syndrome: Patients with traumatic brain injury still have a lot of conscious symptoms that cannot be eliminated for a long time after they have recovered from acute trauma, but there are no definite positive neurological signs clinically, or even no abnormal findings through CT, MRI, etc. These patients often have mild or moderate closed craniocerebral injury, and they recover well in general after the injury, but dizziness, headache and certain degrees of However, dizziness, headache and some degrees of vegetative dysfunction or psychiatric symptoms persist for a long time. If these symptoms persist until more than 3 months after the injury, it is called post-traumatic brain injury syndrome. The pathogenesis of post-traumatic brain injury syndrome is still inconclusive as to whether the cause is organic or functional. However, from the current point of view, it may be caused by minor organic brain damage, combined with psychosomatic and social factors of the patient. Symptoms and signs are mainly dizziness, headache and neurological dysfunction. 1. Headache is the most common symptom, accounting for about 78%. Dizziness is the most common symptom, accounting for 78% of cases. 2. Autonomic dysfunction is manifested by tinnitus, palpitations, blood pressure fluctuations, excessive sweating, menstrual disorders, sexual dysfunction, etc. The diagnosis of post-traumatic brain injury syndrome can only be determined after excluding intracranial organic lesions. Radionuclide cerebrospinal fluid imaging can be used to find out whether there is any obstruction to cerebrospinal fluid circulation. General treatment: participate in outdoor sports and exercise; regularize life and resume work as soon as possible; talk with friends more often to achieve a cheerful mood and emotional stability. Drug treatment: For post-traumatic brain syndrome without organic causes, the treatment is very difficult. Appropriate medication can be given: headache: cranial pain, ibuprofen, etc.; dizziness: benadryl, vitamins, etc.; plant nerve dysfunction: glutamate, isoprostanes, etc.; commonly used Chinese medicines: tianma, cerebral tremor, etc.