A connection apparatus of a detachable gimbal and an unmanned aerial vehicle are disclosed. The connection apparatus of a detachable gimbal includes: an alignment component, where the alignment component is configured to align a circuit connection terminal of an unmanned aerial vehicle with a circuit connection terminal of a gimbal; a pre-installed component disposed on the alignment component, where the pre-installed component moves relative to the alignment component to fixedly connect the gimbal to a fuselage of the unmanned aerial vehicle; and a locking component disposed on the pre-installed component, where the locking component locks the pre-installed component when the pre-installed component moves relative to the alignment component to a preset location.