An industrial robot having: an arm, a wrist element rotatably interconnected to the arm, a work tool mounted on a distal end of the wrist element, and a motor mounted on the wrist element; wherein an umbilical-member connected to the work tool and a flat cable connected to the motor are disposed to run along the wrist element from the arm side to aid work tool or to the motor, characterized in that a pipe member extending in a direction of a rotation axis of the wrist element is provided inside the arm, the umbilical-member connected to the work tool being passed inside the pipe member, the flat cable connected to the motor being wound around outside of the pipe member, with the flat cable slacked in a rotating direction of the wrist element.