Abstract: Tibet Autonomous Region (TAR) is a part of Chinese territory. For many years, the people of the whole country, especially people of Zang nationality, have exploited natural resources to promote the development of economy of TAR. This paper has mainly expounded the potential and existing space of agricultrual comprehensive development in Lhesa River Valley and its feasibility, According to our surveying the TAR is not a wide desert, but it is a potential existing space of agriculture.Developing the ecological agriculture in Lhasa River Valley will be the effective way to excavate the agriculteral resources and to construct the productive bases of agriculture and animal husbandry. It is also the capital strategy of TAR for agricultural development.