Toner cartridge and image forming apparatus

The utility model provides a toner box and an image forming device. The toner box and the image forming device enable the supply amount of toner to be constant. A toner cartridge according to an embodiment includes: a housing in which a space for accommodating a toner is formed; the stirring part is composed of a stirring shaft rotatably arranged on the shell and stirring blades arranged on the stirring shaft, and the stirring part is used for stirring the toner; a supply section composed of a supply shaft rotatably provided on the housing and a screw blade provided on the supply shaft, the supply section conveying toner to one end of the housing; a transmission unit which is provided on the outside of the housing and transmits a driving force for rotating the stirring shaft and the supplyshaft; and a one-way drive unit provided on the power transmission path between the transmission unit and the supply shaft, the one-way drive unit transmitting to the supply shaft only a drive forcefor rotating the supply sh