A toner container comprising: a toner container body having a toner storing portion filled with toner and a container-side toner discharge port for discharging toner held in the toner storing portion; and a toner container holder that encloses the container- side toner discharge port and holds the toner container body in a rotatable manner, wherein the toner container body is rotated in a peripheral direction thereof to discharge the toner charged in the toner storing portion out of the container, the toner container holder has an engaging structure that is able to position and hold the toner container body at a predetermined position along the rotational direction thereof, and the toner container body has an engagement portion that is able to position and hold itself with respect to the direction of rotation by means of the engaging structure, characterized by the toner container holder comprising: a holder-side toner discharge port that communicates the interior enclosed by the toner container holder with the exterior and a shutter member that opens and closes the holder-side toner discharge port, and the shutter member comprising: a shutter part for covering the holder-side toner discharge port; and the engaging structure, wherein when the holder-side toner discharge port of the bottle holder is closed by the shutter member, the engagement portion is positioned by the engaging structure to thereby restrain the toner container body from rotating. a toner container body having a toner storing portion filled with toner and a container-side toner discharge port for discharging toner held in the toner storing portion; and a toner container holder that encloses the container- side toner discharge port and holds the toner container body in a rotatable manner, wherein the toner container body is rotated in a peripheral direction thereof to discharge the toner charged in the toner storing portion out of the container, the toner container holder has an engaging structure that is able to position and hold the toner container body at a predetermined position along the rotational direction thereof, and the toner container body has an engagement portion that is able to position and hold itself with respect to the direction of rotation by means of the engaging structure, characterized by the toner container holder comprising: a holder-side toner discharge port that communicates the interior enclosed by the toner container holder with the exterior and a shutter member that opens and closes the holder-side toner discharge port, and the shutter member comprising: a shutter part for covering the holder-side toner discharge port; and the engaging structure, wherein when the holder-side toner discharge port of the bottle holder is closed by the shutter member, the engagement portion is positioned by the engaging structure to thereby restrain the toner container body from rotating. a holder-side toner discharge port that communicates the interior enclosed by the toner container holder with the exterior and a shutter member that opens and closes the holder-side toner discharge port, and the shutter member comprising: a shutter part for covering the holder-side toner discharge port; and the engaging structure, a shutter part for covering the holder-side toner discharge port; and the engaging structure, wherein when the holder-side toner discharge port of the bottle holder is closed by the shutter member, the engagement portion is positioned by the engaging structure to thereby restrain the toner container body from rotating.