The construction of a park city is a new topic and paradigm for the sustainable development of cities in practice of the concept of ecological civilization, which realistic significance for the low-carbon green high-quality development and modernization of cities. Based on the practical situation of the construction of a park city in the Changsha–Zhuzhou–Xiangtan metropolitan area, this article summarizes the basic conditions and existing problems of the construction of a park city in Changsha–Zhuzhou–Xiangtan Metropolitan area, focusing on the four of “serving people, building cities, beautifying the environment and upgrading industries”, and proposes targeted implementation paths for the construction of a park city in Changsha–Zhuzhou–Xiangtan metropolitan area, and finally proposes corresponding strategies: (1) Grasp the connotation of the park city accurately, and implement the concept of the construction of a park city throughout the process of the planning, construction, control and governance of the Changsha–Zhuzhou–Xiangtan metropolitan area; (2) Improve the urban agglomeration's urban-ural comprehensive management capacity by building an urban form of integration of people and cities, an urban green state of green waters and green mountains, a diverse and open urban culture state and an and green urban industry state; (3) Strengthen the mechanism of guaranteeing factors, build a diversified investment and financing system, optimize the introduction of scarce high-level, and actively build a scientific mechanism of saving land. This research aims to provide theoretical and practical experience references for the high-quality development of the Changsha–Zhuzhou–Xiangtan metropolitan Area and the construction of park cities in other cities.