Participated in the key scientific and technological research project of the Ministry of Railways, "Study on the Basic Characteristics of Cracked Soil and Its Application Technical Conditions in Embankment, Cutting and Slope Engineering", and won the second prize of the Ministry of Railways and the second prize of the National Science and Technology Progress Award respectively; Participated in the "Lanzhou landslide and debris flow disaster prevention planning research" won the third prize of provincial scientific and technological progress; "Study on Mechanism, Stability, Prediction and Countermeasures of Loess Landslide" won the first prize of Gansu Academy of Sciences and the third prize of scientific and technological progress in Gansu Province. The international cooperation project "Formation Mechanism and Disaster Reduction of Thick Loess Landslide in Western China" won the first prize of Gansu Academy of Sciences in 1998 and the second prize of Gansu Science and Technology Progress in 1999. /kloc-0 won the first prize of Gansu Academy of Sciences in 1999 and the second prize of Gansu Science and Technology Progress in 2000. In 2000, the project "Study on the Stability of Wenchangge Landslide in Hezui Village" won the first prize of Gansu Provincial Construction Department. Mechanical properties of loess and its application in slope stability calculation? In 2005, he won the third prize of provincial scientific and technological progress; In 2004, the "Study on Prevention and Control Measures of Water Damage Disaster in Dangerous Section of Mahuining Oil Pipeline" won the third prize of provincial scientific and technological progress. Great progress has been made in the study of loess failure mechanism, strength characteristics and stability calculation method of sliding zone soil completed by Leicester University in England. The English research report "Stability of Loess Slope around Lanzhou, Gansu, China" (300,000 words) was highly praised by the European Institute of Physics and the State Science and Technology Commission. "Failure Mechanism of Loss and Influence of Mohr Content Change on Remodeling Strength" and "Loss in Central and Northern China: Geotechnical Engineering", written independently or jointly. The properties and their relationship with slope stability were published in Volume 24 of International Quaternary P5- 15, 1994 and Volume 36 of Engineering Geology (1994)153-1765434 respectively. Physical Properties of Loess in Lanzhou was published in Engineering Geology and Hydrogeology. "Prevention, Development and Utilization of Geological Disasters in Lanzhou City" won the second prize in the three-star Cup Paper Competition; A summary of the development of shear strength theory of soil was published in Journal of Lanzhou University. Geological Characteristics and Treatment of West Landslide in Nanqiao Village, Zhouqu, Gansu Province was published in Mountain Research. "Mechanical properties of Lanzhou loess"; The stress-strain characteristics and failure mechanism of Lanzhou loess in-situ large shear test were published in Gansu Science. International academic exchange meeting on "Strength problem in landslide stability analysis in China"; Co-authored? Landslides in thick loess areas in northwest China? Other monographs; Another 9 papers were published in different journals. In addition, 48 application and research reports have been written.