In a control device for a laser machining apparatus including a plurality of lasers and a plurality of scanners which respectively scans laser beams outputted from the plurality of lasers, the control device includes: a laser control unit which controls the plurality of lasers, in which the laser control unit includes: a machining program analysis unit which analyzes a machining program, and generates a machining condition command for setting a machining condition of the plurality of lasers, a storage unit which stores machining condition information in which a plurality of the machining conditions and a plurality of the machining condition commands are respectively associated, and a plurality of machining condition reading units which references the machining condition information and reads a machining condition corresponding to a machining condition command analyzed by the machining program analysis unit, and sets the machining condition which was read in a laser of a control target.