Abstract: To cultivate and improve the sports accomplishment of young people, and at the same time to send excellent football talents for the development of football in China, this paper studies the implementation of physical education in primary and secondary schools in Tianjin, and analyzes the relationship between campus football and youth sports accomplishment by using analytic hierarchy process and de-trend mutual analysis method. Through analytic hierarchy process, it is concluded that the importance of campus football to the cultivation of young people's sports knowledge, sports consciousness, sports behavior, sports level, sports skills, sports moral character and sports personality is larger, accounting for 0.276, 0.2807, 0.2748, 0.3184, 0.2695, 0.2733, respectively, 0.2736, when the index layer combination weight is sorted, the proportion of campus football is the largest, accounting for 0.281; Through the trend mutual correlation analysis method, the five-year students and campus football skills level, six grade students and campus football skills level two, seven grade students and campus football skills three, nine grade students and campus football level four, The correlation level between senior students and campus football level five is higher, which provides the basis for campus football to promote young people's sports literacy.

Key words: Campus football, the teenagers'sports attainment, Detrended Cross-correlation Analysis , Path connection