The teaching Game for Understanding Model(TGFU) is suggested in the 7th revision of the physical education in elementary school. More teahcers in elementary school did not taught students games that were applied to the Teaching Game for Understanding Model. This study\'s object were students of J elementary school in Busan . Teacher taugth the game perception and strategy by the tag game. Arger students undergo various kinds of tag games \'Scatecrow\'ets... thay were learned ball game. This study researched that the game understanding and strategy by the tag game was affected ball game. Tag games are low organized one, but this games may be applied to the \'invasion and fielding\' run-scoring games\' Elementary school students were played tag game that is applied to the Teaching Game for Understanding Model, and they were execute transformative game. Not only they were improved bility of the game understanding, strategy recognitionand developing creation of game but also the exevution vapability and skills of games. Teacher suggested ball game that is abilityof running away , catchin flee etc. Consequently they were performed on the ball game \'steal ball\' better. Probably, during students were performing tag games, ability of the game understnaing and strategy of the tag game were trasnferred to the ball game. Before teachers teach ball game to the student, it is a matter to the desire that students learn tag game is applied to Teaching Game for Understanding Mode. In conclusion, tag game is profitable of the game understanding and strategy of the game, and is affected ball game.