Legal analysis: Tianfu New District is mainly composed of the Southern District of Chengdu High-tech Industrial Development Zone, Chengdu Economic and Technological Development Zone, Shuangliu Economic Development Zone, Pengshan Economic Development Zone, Renshou Shigao Economic Development Zone, Longquan Lake, Sancha Lake and Longquan Mountain Range. It mainly includes Chengdu High-tech Zone South District, Shuangliu District, Longquanyi District and Xinjin County, Ziyang jianyang city, Meishan Pengshan District and Renshou County, involving 38 townships and sub-district offices in 3 cities and 7 counties (cities, districts), with a total area of 1.578 square kilometers. A total of 24 towns (streets) in Meishan and Ziyang, which are adjacent to Tianfu New District, have been designated as planning coordination control areas with a total area of about 1 100 square kilometers. The coordinated control area is the ecological environment service area around Tianfu New District, which is mainly composed of ecological conservation, leisure tourism and ecological agriculture.

Legal basis: People's Republic of China (PRC) Urban and Rural Planning Law.

Article 14 The people's government of a city shall organize the preparation of the overall urban planning.

The overall urban planning of a municipality directly under the Central Government shall be submitted to the State Council for examination and approval by the people's government of the municipality directly under the Central Government. The overall planning of the city where the people's governments of provinces and autonomous regions are located and the city determined by the State Council shall be submitted to the State Council for examination and approval after being audited by the people's governments of provinces and autonomous regions. The overall planning of other cities shall be submitted by the people's government of the city to the people's government of the province or autonomous region for approval.

Fifteenth county people's government organizations to prepare the overall planning of the town where the county people's government is located, and report it to the people's government at the next higher level for approval. The overall planning of other towns shall be organized by the town people's government and submitted to the people's government at the next higher level for examination and approval.