It was neurosurgery doctor, master school and degree bestow unit in that Peking university third hospital neurosurgery department. it Equipped with sophisticated equipments such as operating microscope, stereotactic instruments and CUSA.The department involves in neurosurgical spectrum，saving abundant experience up on head injury, intracranial tumor, cerebrovascular disease, spinal cord sickness. It was one of the earliest microneurosurgery departments inland. It has done a lot investigation on the microneurosurgery technique and monodrama operations, performed different kinds of complicated and difficult operations successfully such as resection of cranial basis tumors , cerebrovascular disease, resection of pituitary tumor by nose way , resection of spinal cord tumors, spinal cord congenital malformation .Especially it has done investigation deeply on spinal cord sickness such as tumor of spinal cord, syringomyelia, spinal cord tie down syndrome .For the moment it occupied the leading level both in the quantity of the cases and effect of operation in the field of these diseases. At the same time it has completed numerous studies on basis and operation about Chiari malformation and spinal syringomyelia ，been possessed of successful experience And given nationwide spinal cord surgery training regularly. In recent years，in company with development of the disciplinary ，direction in the research was widen ,serial basic and clinical research have been done on treatment of encephalic malignancy ,neurotization and restoration rear injury of brain and spinal cord , diagnose and surgical treatment of complicated spinal cord diseases .It has received more than 10 scientific payoffs and edited first microneurosurgery works inland chiefly – Microneurosurgery, taken part in edition of 6 other neurosurgery monographs. Inn recent years it has published more than 150 influential papers and brought up more than 10 students of master, doctor's degree.