The present invention discloses a movement facilitative device, basically comprising a first fixing module, a second fixing module, an energy storing module and a switching module, wherein the first fixing module and the second fixing module are fixed on the first extremity and the second extremity of the animal respectively. The first fixing module is connected with the second fixing module. The present invention has the advantages of decreasing the force required by the muscles during the exercise as well as retarding the impact enforced thereon while the user is jogging or exercising. Furthermore, the switching module of the present invention minimizes the limitations to the movement of the user so as to let the user exercise more effortlessly.