Skateboard prosthesis

The invention relates to the technical field of medical instruments and in particular to a skateboard prosthesis. The skateboard prosthesis of the invention comprises a front foot, a bracket, a connecting rod, a leg sleeve and a combined armrest; wherein a vertically arranged and rotatable front wheel is mounted on the rear end of the front foot through a front wheel bracket; the front wheel bracket is rotatably connected to the rear end of the front foot; the bracket is a vertically arranged strip structure; the lower end of the bracket is fixedly connected with the upper end of the rear endof the front foot; the rear end of the upper end of the bracket is equipped with a vertically arranged and rotatable rear wheel; one end of the connecting rod is rotatably mounted in the middle of thefront end of the bracket; the leg sleeve is mounted on the other end of the connecting rod and has an opening away from the connecting rod; the connecting rod is rotatably abutted against the front end of the bracket or rotat