All unmanned aerial vehicle dock includes a base plate, a battery replacement device for replacing a battery of an unmanned aerial vehicle, and a battery compartment mounted on the base plate and configured to receive and charge the battery. The battery replacement device includes a first linear motion mechanism mounted on the base plate, a second linear motion mechanism mounted on the first linear motion mechanism, a third linear motion mechanism mounted on the second linear motion mechanism, and a clamp mechanism mounted on the third linear motion mechanism.