This report aims to suggest that we use as science teaching material banana which is easily obtainable for the promotion of learning effect. The reasons are 1. Since banana`s fleshy cells are comparatively large, it is very convenient to observation of every object needed for the experiment. 2. The use of banana enables us to be free from the complicated skills of making microscope slide. 3. Banana serves as a good material for detecting nutrient. 4. Banana is a good example of modified berry and lacks seeds. 5. Banana can be used for experiment of enzyme activity. The present writer recommend to use banana as multiple teaching material to make the student enjoy the sense of achievement.