I am a professor of Jilin University. I have studied in Tokyo Medical and Dental University in Japan, University of Pittsburgh in USA and The Ohio State University in USA. And I have worked in clinic near 20 years as a surgeon. Member of Editorial board for World Journal of Oncology Research, Clinics in Surgery Journal, Journal of Endocrinology Research, American journal of Angiology and Surgery, Reports in Thyroid Research.Reviewer for Archives of Medical Research, American Journal of Medical Case Reports, International Journal of Clinical Endocrinology and Metabolism, Journal of Thyroid Disorders & Therapy.