Chagan lake is located in Kok Guo County where the Mongolian liv. The Mongolian tradition and culture are popular there. Its surrounding areas are rich in natural resources which are the advantages of the development of Chagan lake tourism. Under the influence of the TV play of the CCTV series Nearby the Saint Water as well as the relative propaganda films, more and more tourists came to Chagan lake and the establishment of Chagan Lake Tourism Economic Development Zone is inevitable. Chagan lake has already started the construction of the Tourism Economic Development Zone, but there are still some imperfect places and some defects. This article put forward reasonable suggestions on the basis of the construction of the existing zone. People should made use of Chagan lake to make it more famous and high-level tourist resort. At the same time, attention should be given to the sustainable development of resources so that Chagan lake can develop well both now and in the future.