The invention discloses a control system and method for an unmanned helicopter with combined guided weapons. The system comprises a helicopter-mounted sub system and a ground sub system, the helicopter-mounted sub system comprises a weapon module, and the image guided weapon and the laser guided weapon are loaded in the weapon module and comprise an image guiding head and a laser guiding head correspondingly. The method comprises the following steps that 1, a target is searched, detected, recognized, locked, traced and positioned, and optionally, a stably-aiming device emits a laser to the target; 2, a flying area is adjusted to enable the target to be within the searching rage of the image guiding head and/or enable the laser guiding head to receive the laser diffused by the target; 3, apowering-on instruction is sent out by a weapon manipulating part to control the image guiding head and/or the laser guiding head to be powered on; and 4, an ignition instruction is sent out by the weapon manipulating part to conduct launching of the image guided weapon and/or the laser guided weapon, and thus target attacking is achieved.