There is provided a defective capsule removing mechanism characterized in that a defective capsule discharging window 131 is provided for a capsule pocket 11 and the capsule pocket 11 is subject to suction through the discharging window 131 so that a cap or a body of a coupling defective capsule is drawn into the defective capsule discharging window in a rolling manner from one end side directed forwardly and then discharged to the outside of the capsule pocket, and there is also provided another defective capsule removing mechanism characterized in that one end side of a capsule pocket 21 is formed as a cap holding portion 211a having a width smaller than a diameter of the capsule cap and a scraper is inserted in a scraper insertion groove extending transversely to the capsule pocket 21 such that the cap portion of a reverse defective capsule is fitted into the cap holding portion 211a and is not discharged from the capsule pocket at a predetermined location but is further transported, whereafter it is scraped out by the scraper. <;IMAGE>; <;IMAGE>;