Chief Physician, Professor, Postgraduate tutor.
Director, Department of Urology, Tsinghua University affiliated Beijing Chui Yang Liu Hospital .
Members of the International alliance of urolithiasis.
Member of urology branch of Beijing medical doctor association.
Expert on the prevention and control of urinary stone disease in north China.
Assessment expert of capital medical development fund
Expert of Beijing senior title appraisal committee
Members of Urolithiasis Academic Committee，Chinese combined traditional Chinese and Western Medicine
Editorial Board Member of Chinese Journal for Clinicians and Chinese Journal of Medicine.