A capsule medical apparatus includes a living tissue drawing portion in which a space for drawing the living tissue into a body of the capsule medical apparatus is formed a movable unit that includes an engaging unit, which can be engaged with the living tissue of the subject, and that moves on a surface of the body of the capsule medical apparatus and in the living tissue drawing portion an injection needle that has an ejection port for a drug and that protrudes such that the ejection port is positioned in the living tissue drawing portion and an injection needle driver that drives the injection needle such that the injection needle protrudes.