An evaluation of sustainable development in less developed areas of Western China

China is the largest developing country in the world. In the west of China, there are some less developed areas. In order to build a moderately prosperous society in all respects in 2020, these less developed areas need to accelerate economic development and improve people's livelihood and undertake the manufacturing industry of developed countries and Chinese eastern developed area, which have negative impacts on sustainable development in the short term. This paper focuses on the goal of sustainable development and analyzes the short-term challenges faced by the strategy of sustainable development in some less developed areas in the west of China. The paper puts forward model of sustainable development, evaluation methods and suggestions in some less developed areas in the west of China based on the connotation of sustainable development.