1985- 1988: Master of Neurophysiology, Bethune Medical University.
1988- 1990: Department of Brain Surgery, Jilin Provincial Hospital, physician.
1990- 1992: Department of Brain Surgery, Jilin Provincial Hospital, attending physician.
1992- 1995: Ph.D. candidate in neurosurgery, Capital Medical University.
1995- 1998: Department of Neurosurgery, Beijing Tiantan Hospital, attending physician.
1998-2004: deputy chief physician, master tutor, Department of Neurosurgery, Beijing Tiantan Hospital.
2004-2006: Chief Physician, Department of Neurosurgery, Beijing Tiantan Hospital.
2006-2007: Chief physician and associate professor of neurosurgery in Beijing Tiantan Hospital.
2007-2008: Chief physician and professor of neurosurgery in Beijing Tiantan Hospital.
2008- Department of Neurosurgery, Beijing Tiantan Hospital, chief physician, professor and doctoral supervisor.