1986—— 1989, graduate student in business enterprise management, China Renmin university, master of economics. Participate in the research work of the former Ministry of Commerce's project "Research on the Management of Commercial Enterprises with China Characteristics" together with the tutor. 1989—— 1993, worked in the former Beijing Dongan group company, engaged in enterprise management. 1993—— 1995 teaches at Beijing university of technology. 1995 —— In 2005, I worked in Beijing Lisan Department Store, a subsidiary of COFCO, and served as the manager and deputy general manager of the marketing department and enterprise management department. From 2005 to 2005, he taught at the School of Economics and Management of Huangshan University. The main courses are: marketing channel management, marketing planning, commercial marketing, human resource management and corporate culture. He is a member of China Human Resources Development Research Association. Research interests: marketing channel management, commercial marketing, human resource management in enterprise marketing, etc. The main achievements of scientific research are: publishing two monographs, Normative Management of Commercial Enterprises and 100 Solutions to Enterprise Decision-making Problems, and editing a book, Accounting Basis. Participate in the research projects of Beijing Social Science Fund 1994 to 1995; In 2006, he participated in a teaching and research project of the Provincial Education Department presided over by President Hu Yongzheng. Participated in a project of Song Yan's provincial education department. 20 10 has presided over two horizontal projects: enterprise marketing planning and marketing channel management.