To increase participation rate, a number of new rules has been made by WBF, making the change of the game rules to increase the popularity and more exposure on promoting of badminton sport. Therefore, by implementation of 11 points per game, in response to these changes, tactics, psychological and physical competition patterns have also been influenced greatly. The purpose of this study was discussed after the new regulations in which the influences of athlete in tactics, play methods, and predisposition. And whish could help athletes and coaches achieve the higher performance in competition. The elimination of old rule is for better and fairer results in badminton contests. Therefore, the modification of badminton rule should consider the balance between audience and player's mode and to develop a competition that be of a great benefit for commercial purpose. New revolutions have been made in badminton sport. In the future, it will become more important to make the new rule to meet the necessary of balancing attack and defense mode and also to make badminton sports widespread.