Simply-made golf learning and popularizing device

A simply-made golf learning and popularizing device comprises an upper cover plate, a magnetic sheet, a lower base plate, an insulation bottom plate, a fastening screw and a numbering tape; the top cover plate is of a conical cylinder shape and the bottom plate is provided with a first groove; the central bottom of the top cover plate is provided with a first internal screw thread hole; the magnetic sheet is of a cylinder shape and is provided with a hole in the center; the lower bottom plate is also of a cylinder shape with a second groove is arranged thereon; the central bottom of the lower base plate is provided with a through-hole internal screw thread; the insulation bottom plate is arranged under the lower base plate and is connected therewith; the centre of the insulation bottom plate is provided with a second through-hole internal screw thread; the fastening screw is successively connected with the cover plate, the magnetic sheet, the lower base plate and the insulation bottom plate; the numbering tap