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).
