A cosmetic powder container, including: a container body for containing cosmetic powder therein; a middle cap defining a powder application space, with a powder discharging part provided in the bottom of the middle cap; an outer cap removably fastened to the container body, with an annular sealing protrusion formed in the outer cap so as to be brought into close contact with the middle cap; a sealing cap assembled with a locking collar formed on the lower surface of the outer cap, with an annular sealing foot formed on the lower surface of the sealing cap so as to be closely seated on an outer shoulder of the powder discharging part when the outer cap is closed to the container body, and with a sealing bottom formed inside the annular sealing foot and fitted into the sealing step; and a powder charge cap.