PROBLEM TO BE SOLVED: To optimally evaluate a walking assist device.SOLUTION: An evaluation apparatus comprises: a dummy leg part including at least one rotatable joint portion and imitating a human leg load application means for applying a load to the dummy leg part a walking assist device mounted on the human leg to assist walking and including a frame part which is mounted on the dummy leg part, supports the dummy leg part and includes at least one rotatable joint portion, and drive means for rotationally driving the joint portion of the frame part and control means for synchronously controlling the drive means and the load application means to evaluate the walking assist device.