Neurosurgery treats a wide range of diseases, which can be broadly divided into four categories: diseases caused by trauma, cerebrovascular diseases, functional diseases and diseases caused by tumors. 1. Neurosurgical diseases caused by trauma: such as cerebral contusion, subdural hematoma, epidural hematoma, and some other conditions, relatively light, such as traumatic brain reaction, concussion, and so on. 2. Cerebrovascular diseases: including cerebral ischemia, cerebral hemorrhage, cerebral aneurysm, cerebral artery injury, cerebral arteriovenous fistula, intracranial vascular malformations and so on. 3. Functional diseases: mainly epilepsy, trigeminal neuralgia, Parkinson’s syndrome and other diseases. 4. Diseases of tumor nature: such as craniopharyngioma, meningioma, glioma, acoustic neuroma and other related diseases. All of the above diseases belong to the scope of neurosurgery treatment, but are not limited to these types, as long as the nervous system-related, including the brain, spinal cord, cranial nerves, skull, cerebrovascular and other structures of a variety of pathologies and certain functional disorders of the disease, the need for surgical treatment of the disease can be neurosurgery to consult a doctor.