By means of literature,test,questionnaire,inter view and mathematical statistics,the author studies the physical exercise behavior of the students in physically vulnerable groups in Datong Ruizhi primary school,and f inds that the health consciousness of this k ind of people is not strong;In terms of sports exercise items,they tend to be collectivist and interesting;There are differences between male and female students in the choice of sports items;Low frequency and intensity of exercise.Put forward:Establish health f ile,implement"1+1"mutual help exercise mode;Start from the actual situation...