A capsule medical apparatus to be introduced into a subject to inject a drug into a living tissue of the subject includes a living tissue drawing portion (10) in which a space for drawing the living tissue (CE) is formed in a capsule-shaped casing (1); a roller (11) that moves the living tissue (CE) into the living tissue drawing portion (10); an injection needle (12) that protrudes such that an ejecting port (12a) for drug is positioned in the living tissue drawing portion (10); a magnetic member (13) that drives protruding the injection needle (12); a connection member (14); a coil spring (15); and a solenoid (16).
