A medicine packing apparatus, comprising: a rotation hopper provided with a plurality of partition spaces (C1-CN), the rotation hopper configured to receive a medicine from a medicine dispenser at any one of the plurality of partition spaces (C1-CN) through at least one injection part (210A; 210B), and to transfer the medicine to a discharge part; an inspector configured to photograph the transferred medicine to inspect the medicine; a controller configured to determine whether the medicine inspected by the inspector matches a medicine of a prescription; and a re-injection part disposed in a partition space between an injection part having a shortest medicine transfer distance to the discharge part on the basis of a rotation direction of the rotation hopper, and the discharge part; characterised in that the medicine packing apparatus further comprises: an external inlet disposed at an outside of the medicine packing apparatus, the external inlet being configured to guide a medicine to be injected to the re-injection part in replacement of an omitted medicine, wherein the rotation hopper includes: a bottom portion on which the medicine collected from the medicine dispenser is placed; and a medicine transfer part configured to transfer a medicine, wherein the bottom portion is unmovably fixed, and the medicine transfer part is configured to move on the fixed bottom portion while pushing a medicine placed at one location to another location of the bottom portion. a rotation hopper provided with a plurality of partition spaces (C1-CN), the rotation hopper configured to receive a medicine from a medicine dispenser at any one of the plurality of partition spaces (C1-CN) through at least one injection part (210A; 210B), and to transfer the medicine to a discharge part; an inspector configured to photograph the transferred medicine to inspect the medicine; a controller configured to determine whether the medicine inspected by the inspector matches a medicine of a prescription; and a re-injection part disposed in a partition space between an injection part having a shortest medicine transfer distance to the discharge part on the basis of a rotation direction of the rotation hopper, and the discharge part; characterised in that the medicine packing apparatus further comprises: an external inlet disposed at an outside of the medicine packing apparatus, the external inlet being configured to guide a medicine to be injected to the re-injection part in replacement of an omitted medicine, wherein the rotation hopper includes: a bottom portion on which the medicine collected from the medicine dispenser is placed; and a medicine transfer part configured to transfer a medicine, wherein the bottom portion is unmovably fixed, and the medicine transfer part is configured to move on the fixed bottom portion while pushing a medicine placed at one location to another location of the bottom portion. an external inlet disposed at an outside of the medicine packing apparatus, the external inlet being configured to guide a medicine to be injected to the re-injection part in replacement of an omitted medicine, wherein the rotation hopper includes: a bottom portion on which the medicine collected from the medicine dispenser is placed; and a medicine transfer part configured to transfer a medicine, wherein the bottom portion is unmovably fixed, and the medicine transfer part is configured to move on the fixed bottom portion while pushing a medicine placed at one location to another location of the bottom portion. a bottom portion on which the medicine collected from the medicine dispenser is placed; and a medicine transfer part configured to transfer a medicine, wherein the bottom portion is unmovably fixed, and the medicine transfer part is configured to move on the fixed bottom portion while pushing a medicine placed at one location to another location of the bottom portion.