This study focuses on two issues: first, what are the factors that bring different user experiences to viewers on sports event platforms, and second, how should operators of sports event platforms better optimize the user experience of sports event platforms according to the influencing factors of viewers' experiences. This paper takes the Tencent sports event platform as an example, and takes the technology acceptance model as the basis, introduces the user experience wheel model, and the relevant variables of the information construction theory to construct the user experience model of the sports event platform. conducted an online survey on the viewers of Tencent's sports platform, and the complete replies of 312 individuals were included in the analysis. The regression model shows that improving service functions effective elements from the user's perspective and enhancing brand design implementation elements from the perspective of sports event platforms can both have a significant positive impact on user experience, and the impact of service functions effective elements is stronger than that of brand design implementation elements. This study expands the applicability of relevant models and theories, enriching the empirical research system of user experience on sports event platforms. In practice, factors influencing user experience of sports event platforms have been discovered and verified, providing some reference opinions for optimizing platform information architecture, graphic interface design, increasing the commercial value of sports event platform brands, and promoting the sustainable development of the platforms.