The invention relates to the technical field of positioning device installation, in particular to an easy-to-install wireless charging positioning device and its installation method, including a bottom plate and a positioning device body, a box is fixed on the top outer wall of the bottom plate, and the top of the box is set There is a cover, the inner wall of the cover is provided with a heat dissipation mechanism, and the top outer wall of the cover is provided with four card slots, the top outer wall of the bottom plate is provided with a locking mechanism, and the top of the cover is provided with a handle. The motor drives the second gear to rotate, the second gear drives the meshing ring gear to rotate, and then drives the third gear to rotate, the third gear rotates together with the worm, and the worm drives the meshing gear to turn to make the pallet flip, and the number of the pallet is set to four, Fix it from the peripheral wall of the circular positioning device body, and finally buckle it into the inner wall of the installation groove to fix the positioning device body on the bottom plate, which is easy to operate and accurate in positioning.