1976- 1978 Hygienic work of Huangsi Temple in Shanxian County, Shandong Province1July 983-1August 985 Resident in the Department of Internal Medicine of Heze District Hospital of Traditional Chinese Medicine1July 988 worked in the Affiliated Hospital of Shandong University of Traditional Chinese Medicine. In July, 2005, he received his Ph.D. in Gastroenterology from Shandong University of Traditional Chinese Medicine, and in September, 2009, he was established as an academic leader of high-level outstanding clinical talents of traditional Chinese medicine in Shandong Province.