Introduction: Jiangchuan District, Yunnan Province, has a long history, outstanding people, beautiful lakes and mountains, outstanding people and outstanding people. Xingyun Lake is located in it, and Fuxian Lake is embedded in the northeast border. The water surface area is larger than the cultivated land area, and it is called "Jasper in Central Yunnan" and "Plateau Water Town". Because of the variety of fish, especially bighead carp and anti-wave fish, it is famous far and near; With fertile land and superior water conservancy conditions, there are many kinds of crops suitable for planting, especially flue-cured tobacco, which is known as "the land of plenty" and "the land of clouds and cigarettes". Flue-cured tobacco, piglets, vegetables, flowers and phosphorus chemical industry are the current economic pillar industries. Vegetables, fresh cut flowers,,-are the main export products. The bronze culture of Lijiashan, represented by the Niuhu copper case, is a treasure in ancient Yunnan culture. Convenient transportation and rich products. Tonghai was the political, economic and military center of southern Yunnan in ancient times. It is a transportation hub in history that goes south to Nanyang, north to the Central Plains and west to Tianzhu. In the middle and late Ming Dynasty, the economy prospered and became a distribution center for goods in southern Yunnan. At present, it connects Kunming with the sea and the Red River. It is located in the hub node of He Kun Economic Corridor and the gateway area of South Yunnan International Passage. The Trans-Asian Railway, which has been opened to traffic, runs through the whole territory, and the Jiangtong Expressway and Miyu-Chu Expressway under construction will more strongly support Tonghai County to build a trade and logistics hub in central Yunnan facing Southeast Asia. Tonghai is rich in products, agriculture, light industry and commerce are prosperous, the market system is relatively perfect, the radiation radius of resource elements is large, and the economic development tentacles are wide, which provides huge market potential and broad development space for long-term development.