Swimming is not only a competing game, but also a the basic skill of self-rescue. The style of swimming can be divided into free style, breaststroke, backstroke, and butterfly stroke. The purposes of this course focus on breast- stroke, and divided it into five parts to fit different ability of students’ skill levels. They are (1) dead man's float; (2) wedge action; (3) wedge action + change breath; (4) wedge action + change breath + frog kick; (5) other swimming styles; (6) elementary rescues and survival in water training.