198 1 year —— 1988 studied for master's degree in geomorphology and quaternary geology in the Department of Geography of Central China Normal University, 1988 worked in Chengdu Mountain Institute, 1995 ——200 1 year in the Department of Geography of Lanzhou University. 1997 and visited Germany and the United States for half a year and March respectively in 2006. 2001-In March 2005, he served as deputy director of Xizang Autonomous Region Tourism Bureau, in charge of tourism planning and tourism policy research, and went to Germany, Japan, Nepal and other countries for short-term inspection.

For 20 years, I have been devoted to the basic theoretical research and applied research of geography. The main scientific research accumulation and achievements are: 1) the landform characteristics of the eastern mountains and the age and reasons for the formation of the red gravel layer. Mainly from the research of master's thesis; 2) Holocene environmental evolution in the upper reaches of the Yangtze River and the impact of human activities on the environment in historical period. It mainly comes from the first Sino-German joint scientific investigation on geomorphological process and mountain disasters in the Qinghai-Tibet Plateau funded by the study abroad fund of the China Academy of Sciences and the further study in the Department of Geography of the University of G? ttingen, Germany from 65438 to 0997. The most important thing is the research work of the doctoral thesis "Preliminary study on Holocene paleoflood in the upper reaches of the Yangtze River-the climatic marking ability of paleoflood and its climate change revealed"; 3) applied geomorphology, mainly studying urban geomorphology. The main achievement is to participate in and preside over a national natural science foundation project and a series of papers published in this field; 4) Geological ecology and environmental impact of human activities in the upper reaches of the Yangtze River. During the Seventh Five-Year Plan period, he mainly participated in two national key projects "Research on the Construction of Shelterbelt System in the Upper Reaches of the Yangtze River" and won the second prize of Sichuan Science and Technology Progress; 5) Environment and regional sustainable development in the upper reaches of the Yangtze River. On the one hand, it mainly comes from participating in the national key project "Water Pollution Law in the Three Gorges Reservoir Area and the Yangtze River Basin and the Sustainable Development of the Yangtze River Industrial Belt" during the Eighth Five-Year Plan, winning the third prize of Sichuan Science and Technology Progress Award, and presiding over the major project of the Chinese Academy of Sciences in the Ninth Five-Year Plan "The Impact of Major Natural Disasters in the Upper Reaches of the Yangtze River on Sustainable Development"; 7) Mountain tourism and sustainable development in mountain areas. Since 1997, he has been in charge of the regional tourism planning of nearly 10 important tourist destinations in Sichuan. In 20001year, he went to Xizang Autonomous Region Tourism Bureau to organize the overall planning of Xizang Autonomous Region tourism development, presided over the 11th Five-Year Plan of Tibet tourism and the development plan of Qinghai-Tibet railway industrial belt, planned and organized the guiding funds for the development of rural tourism in Tibet, and presided over the planning and evaluation of cities and tourist areas in Tibet.