Abstract: An industrial robot having a plurality of units each consisting of a unit body provided with a movable block having a mounting surface, a side placed parallel to this movable block, exposing only small parts of its mounting surface, a mounting bottom extending perpendicular to this side and a guide which supports the aforementioned movable block in such a way that it is movable parallel to the mounting surface and in a straight line in a definite range, a driving device on the unit body to drive the movable block, and a control device for controlling this driving device, the plurality of units being coupled in such a way that the straight line moving directions of the movable blocks of each two coupled units are at a right angle.