The aim of this paper is to evaluate three foot-controlled mouse devices in the psychological and physical aspects. All participants conducted three types of input tasks. Input times, electromyogram and NASA-TLX values were measured during the experiments. As the foot mouse with a slipper was used, input time was shorter than that of the others. The foot mouse with a slipper required more usage of the upper-muscles of the leg than the foot mouse with two pedals. On the other hand, the foot mouse with two pedals required more usage of the lower-muscles of the leg. The NASA-TLX value as a measure of psychological fatigue was not significantly different according to the foot-controlled mouse devices. The results might contribute as a guideline for the development of foot-controlled mouse devices.