A wire-driven robot includes pairs of arm parts including shoulder joints, elbow joints, and wrist joints to move with a motion of a wearer; a shoulder wire connected with the pair of shoulder joints; a shoulder driving unit applying a rotational force to the shoulder joints by winding or unwinding the shoulder wire in link with the motion of the wearer; an elbow wire connected with the pair of elbow joints; an elbow driving unit applying a rotational force to the elbow joints by winding or unwinding the elbow wire in link with the motion of the wearer; a wrist wire connected to the pair of wrist joints; and a wrist driving unit applying a rotational force to the wrist joints by winding or unwinding the wrist wire in link with the motion of the wearer.