In the Seventh Five-Year Plan, he began to participate in the research of the national key scientific and technological project (Quzhou Experimental Zone) and served as the sub-project host, deputy host and invited host. The Research on Supporting Techniques and Benefits of Comprehensive Prevention and Control in Shallow Saline Areas, the Optimization Decision and Comprehensive Technology Research on Efficient and Sustainable Comprehensive Agriculture Development in Saline Transformation Areas won the second prize of the Ministry of Agriculture and the third prize of the State respectively, and the Research on Efficient and Sustainable Agricultural Development in the Upper Reaches of Heilonggang won the second prize of China University for scientific and technological progress. Participate in the comprehensive control and development project of 780,000 mu of salinized low-yield fields in Handan area, establish10.8 million mu of control and development demonstration zone, and complete the control project planning of Guangping and Feixiang counties. Won the Handan Agricultural Development Award, foreign outstanding scientific and technological workers and other awards. He is in charge of the national key scientific and technological projects "Study on high-quality and efficient agricultural structure model and technology in high-yield areas of Huang-Huai-Hai Plain" and "Study on sustainable development strategy of agriculture in Huang-Huai-Hai Plain".

He presided over the completion of the national key scientific and technological research project "Comprehensive Management of the Huang-Huai-Hai Plain and Efficient and Sustainable Development of Agriculture" and won the Outstanding Scientific and Technological Achievement Award of the National Key Scientific and Technological Research Plan in the Ninth Five-Year Plan, and the appraisal level reached the leading level of similar international research.

As the technical director, the national key research project "Study on the Treatment of Low-and Medium-Yield Fields and Comprehensive Development of Regional Agriculture" takes the treatment of low-and medium-yield fields and comprehensive development of agriculture in five major regions, including Huanghuaihai Plain, Songnen Sanjiang Plain, South Red Yellow Soil, North Dry Farming and Loess Plateau, as the theme, and has established 5 1 experimental demonstration areas and agricultural modernization models led by science and technology. A number of key technologies for sustainable development with high scientific and technological quality, large scientific and technological exhibition and wide coverage have been introduced, which have solved or overcome a series of key obstacles restricting the development of regional agriculture, significantly enhanced the comprehensive scientific and technological strength of agriculture in five regions, and greatly promoted the improvement of regional agricultural comprehensive productivity and the rapid and sustainable development of rural economy. Passed the acceptance organized by the Ministry of Science and Technology.

In addition, he also presided over or participated in more than 20 research projects such as the National Natural Science Foundation, the National 863 Project, the Cross-century Talent Fund of the Ministry of Education, the Harvest Plan Project of the Ministry of Agriculture, and tackling key problems in Hebei Province. He won 7 science and technology awards from Hebei Land Administration Bureau, Beijing United Front Work Department and Handan area. Completed and undertaken the overall land use planning, land consolidation planning, cultivated land fertility survey and quality evaluation benchmark land price evaluation in Quzhou, Hebei, Malong, Lingao, Yunnan, Hainan and Daxing, Beijing, as well as the regional planning project of Changsha, Zhuzhou and Xiangtan urban agglomeration in Hunan.

He has written many books, including Comprehensive Management and Development of Low-yield Areas in Shallow Saline-alkali Land, Sustainable Comprehensive Development of Agriculture in Saline-alkali Land Reconstruction Areas, Research and Practice of Agricultural-Rural Sustainable Development, Land Use Planning, Land Use Control, Charming Ecological World, Desertification and Agricultural Sustainable Development in China, and published more than 40 papers.