Using literature and data,questionnaire survey,mathematical statistics,the sports awareness and physical behavior situation of middle schools＇ only child in Putian were surveyed and analyzed.The results showed that：for the only child in Putian City＇s middle school,the value of child＇s sports and sports attitude is positive and progressive;sports interest is high;the intention to participate in sports is clear;physical activity is relatively encouraging,but participating form and training establishments is comparatively simple,sports consumption level is low;the difference between men and women in willingness to participate,type of activity,occupation time,exercise,etc.are significant.This article analyzes and identifies the impact channels and influencing factors of child participation in sports,and points out the corresponding strategies,in order to build a good foundation for the only-child students in Putian City of life-long participation in physical exercise.