With the continuous advancement of urbanization, the sports and leisure space distributed in the city has gradually become an important place for residents to relax. Sports park has both sports and leisure characteristics, the construction of urban sports park is an important part of the national fitness public service system. With a series of policy support issued by the state, the construction of sports park has also been widely concerned by all walks of life. While the number of sports parks is increasing, it is also necessary to pay attention to how to accelerate the improvement and optimization of public sports service supply in sports parks. In this paper, literature research, questionnaire survey and field investigation and other analysis methods are comprehensively applied. Based on the theory of collaborative supply, three typical sports parks in Guiyang are selected as research areas to analyze the problems existing in the supply of public sports services in Guiyang sports parks, and the causes behind the field practice are explored. This paper puts forward optimization strategies from five aspects: supply mechanism, government management, policy publicity and education, public participation, and the development of sports undertakings, respectively, and provides targeted opinions and suggestions for promoting the development and improvement of the public sports service system of Guiyang Sports Park.