In this digital age, with the burst of national sports events and the promotion of relevant policies, the sports industry has gradually risen, and sports have gradually spread to everyone. With the successful holding of the 2008 Olympic Games and the Winter Olympics Winter Paralympic Games in 2022, the national movement has gradually formed in everyone’s heart. However, in sports, the physical and mental health of every athlete needs our close attention. And let our country’s sports cause to a higher level, but also as the current core concern. With the rapid development of big data technology, it has been integrated into all areas of life. Big data technology is used to analyze all aspects of sports, such as sports events, athletes’competition analysis, athletes’ training mode and so on. So as to further enhance the sports performance in the competition. This paper puts forward the application and analysis of big data analysis in sports. Firstly, under the current sports prospect, the quality core brought by sports is analyzed by using big data analysis model. Finally, through algorithm comparison and analysis, the problems and statistical results are processed together to enhance the popularity of sports and solve its related problems. People of different ages have different understanding of sports. The probability of five different ways of sports competition at different ages is less than 0.05. Young people have the highest understanding of sports competition consciousness and the lowest understanding of sports physical and mental health.