Since 2009, China has carried out campus football activities across the country. In 2015, Kunming City has carried out related work on campus football. This article USES the literature material law, questionnaire survey method, on-the-spot investigation method, mathematical statistics, logic analysis, etc., affecting factors of three elementary school after school football participation in kunming, the investigation and study, the results of the study found that three primary schools in kunming, influence participation extracurricular football is the main factor is: 1 spare time of students' self management ability is poor; 2. The promotion channel of after-school football in the three primary schools in Kunming is too single; 3. Insufficient facilities and equipment of the school; 4. The school has no special football training program and no professional football teachers. 5. Reasons for parents' lack of awareness of football-related activities and the lack of related activities organized in the school.