Abstract: Based on the overall development of country parks and present situation of urban flood in the country, this paper expounds the necessity of dealing with urban flood risks in country parks, combining the researches and practice at home and abroad. It makes a case study of the Jiahe Country Park project of Yantai City, which was hosted by the author and has won many international and domestic awards. On the basis of analyzing the urban water problems, it establishes the design goal and concept, and puts forward the construction strategy of dealing with urban flood in high efficiency and constructing country parks at low costs. It also summarizes the performance of the project from the perspectives of water resources, safety, environment and ecology. Finally, it raises the requirements for the construction of country parks in the new era, providing useful references for subsequent researches and project construction.