Abstract: Objective To understand the current situation of physical exercise participation among primary and secondary school students aged 7 to 18 in Jiangsu Province,and to provide reference for the development of school sports development policies.Methods The method of stratified cluster sampling was used to select 6 847 students aged 7-18 from 30 schools in 8 cities,including Nanjing,Xuzhou,from Suqian,Changzhou,Wuxi,Suzhou,Yangzhou and Nantong,to receive a questionnaire about their participation in physical exercise.Results Middle and primary school students aged 7-18 in Jiangsu Province were lack of physical exercise in school,less than 17% students could participate in physicial exercise for lh each day;79.20% of parents supported their children to participate in extracurricular physical exercise.With the growth of grade,students' extracurricular sports exercise participation ratio was decreased;The students of mastering 1 sports skill accounted forthe highest proportion(47.46%),and 8.39% of the students had not mastered the 1 exercise skill in their senior middle school.Conclusion The primary and middle school students in Jiangsu should strengthen their physical activities both inside and outside the school.Schools and parents should pay attention to physical exercises,cooperate with each other,and establish a linkage mechanism between schools and families to promote the healthy growth of students together.