The purposes of present study were to introduce the principles of tactic on basketball game through the following concepts: theresason why a coach should possess fundamental ability to design tactic of a game, the basic defense and offense model of basketball, and the combination of different tactics. It is not difficult to make readers understand the designing of basketabll game tactics. You may design an useful tactic with the passion and understanding of basic concept. Current study wish to share mentioned concept in order to encourage coaches with game experiences, and provide more oppurtunities to learn from the coaches who are interested in basketball, and further evaluate the basketball level in Taiwan.