The purpose of this study is to fine , the physical education (PE) understanding which the elementary reserve teacher is probably main is what, to analyze how much the parameter factor is effected on the main PE understanding. In this study 617 subjects 339 freshmen(boy:103m gilr:236) and fourth year students(boy:80 girl 198) in D. national university of education are selected. On 20 items of own making questionary the parameter ANOVA and an exploratory factor analysis are used to solve probles of this study. From the investigation, the conclusions are as follows: First, from an exploratory factor analysis, factors of the physical education understanding are 7 which is 61.38% of whole variation. The highest factor of the physical educaion understanding is the efficaty of PE, the next is the necessity of PE. Second, from the parameter ANOVA, male\'s and fourth year studen\'s group are higher than girl\'s and freshman\'s more times in exercise frequency a week, higher, and PE teachign\'s group of whole teachers if higher than exclusive responsibility\'s in PE, in the efficacy and the necessity of PE.