Agriculture is the main department of the west of China, and the basic way to feed the people. But the agriculture level of the west is fairly laggard. Lack of the apparatus and machinery has become a big problem to this region. The ecology environment of the West is so poor that the habitat gets too little production to sustain their life. How to meliorate this situation is an important topic of the development of the west. Analysing the agriculture condition of the west and the main reason for the low level of agriculture, we can draw the conclusion that the bad eco environment is the most important reason for the lagging of the west. So the eco environmental protection and rehabilitation should be taken as a core issue and a pressing task. Several strategies about how to improve the eco environment are suggested in this paper, including inhibit deforesting and reclaiming, change some used land to forestry and meadow and build the preservative forestry for the water source. By these means the west of China will get not only the eco environment production but also the economy and society production. The fulfilment of these strategies needs lots of related laws and regulations. And it is necessary for the government to pay more attention to the agricultural development of the West and the eco environment protection.