The cancer death toll of the digestive organs increases every year in japan.� Now, the capsule� endoscope is paid to attention as an image diagnosis device. However, the capsule endoscope is not equipped with locomotive system. So, research institutions develops locomotive system for the capsule endoscope. In this paper, the result of simulation that the power which is needed for this system is shown. And we described the result of animal experiment for checking the validity of this system.