A toner cartridge that includes a force receiving part and a toner cartridge body and is detachably installed on an image forming device, the force receiving part comprising: a receiving element, including a receiving tooth, a support rod, and a transmission rod, and being capable of engaging with the image forming device, wherein: the receiving tooth is configured to receive a force from the image forming device; the support rod is capable of inwardly deviating along a radial direction of a rotating axis of the toner cartridge body, wherein the receiving tooth is disposed at a free end of the support rod; and the transmission rod is configured to transmit the force received by the receiving tooth from the image forming device to the toner cartridge body; and a moving element (110, 110a, 110b), capable of moving relative to the support rod, wherein during a moving process of the moving element relative to the support rod, in at least one position the support rod is interacted with the moving element and the receiving element is unable to disengage from the image forming device, characterized in that a first elastic element is disposed between the moving element and the receiving element; the moving element includes an abutting portion (111, 111a, 111b) and a pushing element (112, 112a, 112b); the image forming device is abutted against the pushing element and configured to push the moving element to move along a direction of the rotating axis of the toner cartridge body; the pushing element is abutted against the support rod, an anti-detachment trench is disposed on the support rod; the pushing element is located inside the anti-detachment trench; and the anti-detachment trench is configured to prevent the moving element from detaching from the force receiving part when the moving element moves relative to the support rod. the receiving tooth is configured to receive a force from the image forming device; the support rod is capable of inwardly deviating along a radial direction of a rotating axis of the toner cartridge body, wherein the receiving tooth is disposed at a free end of the support rod; and the transmission rod is configured to transmit the force received by the receiving tooth from the image forming device to the toner cartridge body; and a moving element (110, 110a, 110b), capable of moving relative to the support rod, wherein during a moving process of the moving element relative to the support rod, in at least one position the support rod is interacted with the moving element and the receiving element is unable to disengage from the image forming device, characterized in that a first elastic element is disposed between the moving element and the receiving element; the moving element includes an abutting portion (111, 111a, 111b) and a pushing element (112, 112a, 112b); the image forming device is abutted against the pushing element and configured to push the moving element to move along a direction of the rotating axis of the toner cartridge body; the pushing element is abutted against the support rod, an anti-detachment trench is disposed on the support rod; the pushing element is located inside the anti-detachment trench; and the anti-detachment trench is configured to prevent the moving element from detaching from the force receiving part when the moving element moves relative to the support rod.