A joint regulating apparatus configured to regulate a movable range of a joint connecting a first bone part of a wearer with a second bone part of the wearer, includes a first member attached to a part of a body located on a side the first bone, a second member attached to a part of the body located on a side of the second bone, and a joint mechanism configured to support the first and second members so that the first and second members can swing with respect to each other along a movable direction of the joint in a predetermined regulated swing range, in which the joint mechanism includes an elastic mechanism configured to, when the first and second members tend to swing with respect to each other beyond the swing range, exert an elastic force against the swing.
