He has long been engaged in research work in the fields of vegetation ecology, environmental ecology, resource ecology and regional sustainable development on the Qinghai-Tibet Plateau. Participated in or presided over the Qinghai Vegetation Study and the compilation of a series of vegetation maps, the Study on Water Level Decline and Eco-environmental Protection Countermeasures in Qinghai Lake, the Overall Strategy of Social and Economic Development in Qinghai Lake Area, the Agenda of 2 1 century in Qinghai Province-the Strategy of Sustainable Development, and the Strategy of National Tibetan Medicine Development. Research on science and technology action strategy of beautiful mountains and rivers in Qinghai province, ecological environment evolution in the source area of the Yangtze River, and sustainable development strategy. It is revealed that the main reason for the decline of water level in Qinghai Lake is environmental factors. Firstly, the national strategic system of Tibetan medicine development, the strategic thinking of social and economic development in Qinghai Lake area and some new methods of biological resources investigation are put forward. Editor-in-chief or editor-in-chief published 9 research monographs, published more than 50 scientific research papers, and won 6 provincial and ministerial scientific and technological progress awards.