The spatial structure of "one heart, one belt, two axes, six corridors and six districts" is formed in the planning of Longxing City project. "One heart" refers to the comprehensive service center. A comprehensive service center is formed near the intersection of Duilong River waterfront and Laqing Road, which consists of a comprehensive business center and a business center. On the south side of the Longhe River, relying on the advantages of industrial resources and good traffic location in Zone B of the Economic Development Zone, a modern comprehensive business center integrating commerce, trade and financial services will be formed. On the north side of the Longhe River, relying on the expansion of the city, the transfer of functions such as administrative office and the layout of the sports center, a comprehensive commercial center with administrative office, commercial services and cultural and leisure services as the leading functions will be formed. "Area" refers to the riparian zone of Duilong River. The waterfront green space along the Longhe River is connected in series with the functional areas such as Duilong Industrial Park, Yang Da Township Residential Area, Cargo Terminal Logistics Area, Jiare Living and Leisure Area, Comprehensive Service Area and Southeast Residential Area, which is the backbone of the whole Duilong New City project. "Two axes" refers to the development axes of Duilong Avenue and Laqing Road. Taking the urban main road as the skeleton of the project space of Longxing City, the main corridor for the development and extension of urban space is the main axis of urban development. "Six corridors" refers to an ecological green corridor and five road green corridors. Ecological green corridor is a wide-spaced ecological green corridor between Yangda Town residential area and Duilong Industrial Park. Road green corridors include Boma Road Green Corridor, Yangjia Road Green Corridor, Yangjia Road Green Corridor, National Highway 3 18 Green Corridor and Liu Dong Road Green Corridor. Introducing the green space ecosystem into the city will form a good green ventilation corridor in the city, and combine the local natural ecology and history and culture in the design, which will become an important corridor to show the urban characteristics of Duilong New City. "Six Districts" refer to Duilong Industrial Park, Yang Da Township Residential Area, Jiare Living and Leisure Area, Cargo Terminal Logistics Area, Comprehensive Service Area and Southeast Residential Area. Among them, Duilong Industrial Park focuses on developing new building materials, modern logistics and warehousing, deep processing of agricultural products, traditional ethnic handicrafts and Tibetan medicine. Yang Da township residential areas mainly develop ecological agriculture and undertake the function of public rental housing construction; Jiare living and leisure area takes Xiongbalaqu tourism project as the core and Jiare village's characteristic folk houses as the carrier, mainly developing cultural and folk tourism; The logistics area of freight station takes railway freight station as the core and logistics park as the support to develop bulk logistics and third-party logistics and build a logistics hub. The comprehensive service area is the core functional area of the whole Dulong New Town project, which mainly develops the functions of business office, commerce, administration and culture, education and training, and residence. It is the main direction of urban expansion in the future for southeast residential areas to develop ecological residence, leisure business, entertainment and other functions by using the good landscape conditions of Lhasa River.