A wearable action-assistance device includes a hip frame to be worn on hips of a wearer, a lower limb frame to be worn on a lower limb of the wearer, a plurality of drive portions provided on the lower limb frame to correspond to joints of the wearer and configured to generate an assistive force on joints of the wearer, a control portion that controls the drive portions based on a signal caused by an action of the wearer, and an operable operation unit provided near the hip frame. The operation unit includes a plurality of operation buttons corresponding to the respective joints for setting an assistive force to joints of the wearer at the plurality of drive portions. The plurality of operation buttons is, when viewed from a back face side of the hip frame, arranged to correspond to a positional relationship between the drive portions.
