1. "Research on shareholding system of township enterprises", Young Teachers' Research Fund of Shenyang Agricultural University, September 1991 ~ August 1994, moderator

2. "Research on Moderate Scale Management of Agriculture", National Social Science Fund, sub-topic moderator

3. "Research on Agricultural Policy Consultation Model of Heilongjiang Province" From January 199 to December 1993, he participated in

4. "Study on the Commercialization of Agricultural Products and the Types of Market Organizations", National Social Science Foundation, from January 1993 to December 1995,

5. "Comparative Study on Rural Social Security System between China and Germany", Norman Foundation, Germany, from January 1993 to December 1994,

6. From January 1993 to December 1995, he participated in

7. "Research on the Agricultural Cooperative System in Liaoning Province", hosted by Liaoning Cooperative Economic Society in 1994.

8. "In-depth study on the shareholding of rural economy in Liaoning Province", sponsored by Liaoning Social Science Fund from January 1994 to December 1995.

9. "Economic benefits are in agriculture and agriculture. November, 1995 ~ July, 1997 Moderator

1. "Policy Research on the Market Orientation of Cotton Production and Marketing in China", China Postdoctoral Science Foundation, November, 1995 ~ July, 1997 Moderator

11. "Research on the Development Model and Supporting Policies of Agricultural Insurance in Liaoning Province", Doctor Starting Fund of Liaoning Province, 1997.1~1998.12 Moderator < P > 12. "Comparison of domestic agricultural support measures of WTO member countries and study on the optimal import tariff structure of agricultural products in China", China Agricultural Science and Education Fund, 1998.4~2.4 Moderator

13. "The influence of world agriculture on China's agriculture", State Development Planning Commission, April ~ October 1999 Sub-project Moderator

14. "Comparative Study on Foreign Agricultural Financial Policies and Agricultural Financial Environment", Department of International Cooperation, Ministry of Agriculture, May 2 ~ April 21 Moderator

15. "Reform and Prospect of EU Agricultural Policies", National Fund for Studying Abroad, May ~ November 2 Moderator

16. May ~ November, 2 Moderator

17. "Study on the influence of financial imbalance between counties and towns in poverty-stricken areas of China on the supply of rural public goods", Ford Foundation of the United States, May ~ September, 21 Moderator

18. "Construction of Agricultural Economics in the First Class of China Agricultural University", China Agricultural University, 21.9~23.12 Moderator < P > 19. "Comparative Study on Foreign Agricultural Policies under WTO Rules", Soft Science of Ministry of Agriculture, 22.5~9 Moderator

2. "Study on Environmental Impact Status and Development Countermeasures of Aquaculture in Beijing Suburb", Beijing Municipal Government, 22.4~12 Sub-topic Moderator

21. Sub-topic "Study on Regional Policies of Agricultural Products Based on Comprehensive Comparative Advantages" of National Key Scientific and Technological Research Project, Ministry of Science and Technology, 21.1~23.12 Moderator

22. "Study on International Competitiveness of Meat Products in China", National Social Science Fund, From June, 22 to June, 23, Vice-Chair

23. "Research on the International Competitiveness of Major Grain in China", Vice-Chair of Marketing Department of the Ministry of Agriculture from June, 22 to December, 23

24. "Research on the International Competitiveness of Soybean in China", Vice-Chair of China Postdoctoral Science Fund from December, 22 to February, 24

25. The national social science foundation 3BJY68, from July 23 to June 24, presided over

26. "Research on the international competitiveness of major agricultural products in China", and the humanities and social sciences research project of the Ministry of Education 2JA7951, from September 22 to September 24, presided over

27. "The reform project of the teaching content and curriculum system of the Ministry of Education for the 21st century (4 From 22 to 23, he presided over < P > 28. "Key Curriculum Construction of Postgraduates in China Agricultural University-Special Topics on Agricultural Economic Management", China Agricultural University, from 22 to 24, presided over < P > 29. "Research on Policies to Improve International Competitiveness of Agricultural Products", Ministry of Agriculture, Soft Science, April to August, 23. Vice chair

3. Preliminary study on major issues of agricultural and rural economic development during the 11th Five-Year Plan period: "Study on Promoting the Construction of Agricultural Industrial Belt and Enhancing Competitiveness", Development Planning Department of the Ministry of Agriculture, October 23-June 24, vice chair

31. The sub-topic of "Strategic Planning of Changfu Dairy Industry in 23-213" "Fujian Changfu Dairy Industry under International Competition" Fujian Changfu Dairy Group Co., Ltd., July-November, 23, sub-topic presided over < P > 32. "Research on the financial imbalance of counties and towns in poverty-stricken areas and the supply of public goods in rural areas", hosted by China Development Research Foundation, October, 24-September, 25. < P > 33. Key research topic of township enterprises development during the Eleventh Five-Year Plan period: township enterprises. In 24, he presided over

34. "Research on the relationship between the function of agricultural futures market and spot market in China 747388", National Natural Science Foundation of China, 25-27, vice-presided over

35. "Agricultural Economics for undergraduate students", China Agricultural University, 24-25, presided over

. Vice chair

37. "Study on influencing factors and development model of agricultural scientific and technological achievements industrialization", Institute of Agricultural Information, Chinese Academy of Agricultural Sciences, 25-26, presided over

38. "Study on market subject and supervision mechanism of quality and safety of livestock food in China", National Natural Science Foundation, 26-28, presided over

39. "Financial crisis of enterprises in reclamation areas directly under the Ministry of Agriculture. In 25-27, he presided over

4. "Study on China's rural development policies that are beneficial to the poor", and the project of building China International Poverty Alleviation Center with UNDP's assistance, in 26-27. He presided over

41. "Study on the strategy of improving agricultural competitiveness under the condition of full opening up (2714)", Soft Science of the Ministry of Agriculture, 27. Vice-chair

42. "Research on Stakeholders and Supervision Mechanism of Food Traceability System in Beijing (7BeJG194)", Beijing Philosophy and Social Science Planning Project, 27-28, Vice-chair

43. "Modern Agricultural Industrial Technology System-Mutton Sheep Project", a major scientific and technological research project of the Ministry of Agriculture, 28-212, Project scientist and person in charge of comprehensive economic research office

44. "Research on incentive and supervision mechanism of food traceability system in China based on supply chain 7873124", National Natural Science Foundation of China, 28-21, vice chair

45. "Research on stakeholders and supervision mechanism of food traceability system in China 271918", special research fund of doctoral program in colleges and universities, 28. Vice chair

46. "Research on the Optimization Mechanism of Animal Food Industry Chain Based on Quality and Safety 7973123", sponsored by National Natural Science Foundation of China from 2 to 212.

47. "Research on the Innovation Team of Modern Agricultural Industry Technology System in Beijing —— Pig, Fruit Vegetables and Ornamental Fish ——— Industrial Economy", Beijing, 29.