Abstract: An embodiment of the present disclosure provides a developing cartridge, including: a developing cartridge frame having an internal space for accommodating a developing agent; a developing roller rotatably mounted on the developing cartridge frame and configured to supply the developing agent to a photosensitive drum; a drive end cover mounted on a drive end of the developing cartridge frame; and a drive force receiving member rotatably mounted on a drive end of the developing cartridge frame; where the drive force receiving member includes a drive force receiving part that extends out of the drive end cover and receives a rotational drive force. A driving end separation force receiving member is provided on an outer circumference of the drive force receiving part. The driving end separation force receiving member is configured to receive a separating force that separates the developing roller from the photosensitive drum.