Li Changyu, deputy chief physician, associate professor, Deputy Director of neurosurgery, other high-level talents in Hainan Province. Graduated from Harbin Medical University in 1999 and has been engaged in neurosurgery for 16 years in the First Affiliated Hospital of Harbin Medical University, has studied for a doctors degree and accumulated rich experience in clinical and basic research of neurosurgery in this period. Specializes in intraoperative radiotherapy for glioma and other intracranial malignancies. Has accumulated certain experience in minimally invasive surgery such as intracranial tumor, spinal canal tumor, intracranial aneurysm, cerebral arteriovenous malformation, cerebellar subtonsillar hernia malformation, trigeminal neuralgia, hemifacial spasm, etc., and has conducted in-depth research on the diagnosis and treatment of hydrocephalus, cerebral hemorrhage and craniocerebral injury. Participated in the compilation of 2 monographs on neurosurgery, published more than 20 papers in professional journals at home and abroad, presided over 3 projects of Helongjiang Provincial Department, participated in many projects such as the National Nature Foundation.