This research from 7th elementary school physical education and the textbook and the teacher's guide book in contents in game classification form of the gain and loss central game study model where the ball game activity educational contents of game activity should how have been become accomplished followed with the spring to analyze the hazard which it provides with the textbook side approval current data of the curriculum which opens a court it was accomplished. Research result, target it hits the roof tile blood, the type game which it does in 3 and 4 grades was presented, the duplication of grade for educational contents was serious and degree of difficulty also 4 grade steps it was the actual condition whose 3 grades are high all. Territory type game the place where it is presented in 3, 4, 5 and 6 grades, from 3 and 4 grades with selective contents the curriculum was composed of an essential contents and a selective contents from 5 and 6 grades. Specially, the variation game is emphasizing from case gain and loss central game study model of territory type game is presented one, the contents which petty compared to completeness reflects the attribute of basic game to be selected, there was percentage necessity. The baseball type game from 6 grades was presented with essential contents, and selective contents it was the actual condition where the per hour court rank of the essential contents which from in the teacher's guide book is presented and selective contents does not appear well. The net type game from 3 and 4 grades with selective contents, from 6 grades is presented with essential contents, it was a side where the duplication of the contents which is presented is serious. It was the actual condition where the contents step multi degree of difficulty where the contents which case is presented specially in 3 of the tennis and 4 grades is presented in 6 grades is high, per hour contents also it was a many side at the quantity which it will learn into 40 minutes.