The invention provides a numerical control holding system for logistics cargoes, which belongs to the field of control technology. The system solves the problems that the prior numerical control holdiThe invention provides a numerical control holding system for logistics cargoes, which belongs to the field of control technology. The system solves the problems that the prior numerical control holdih the set value of the tension of the binding belts. The system has the advantages of simple structure, low manufacturing cost, convenient operation, safe use, appropriate tension of the binding beltch the set value of the tension of the binding belts. The system has the advantages of simple structure, low manufacturing cost, convenient operation, safe use, appropriate tension of the binding belt, convenient adjustment for system parameters, and the like., convenient adjustment for system parameters, and the like.ng system for logistics cargoes is complex in structure, high in manufacturing cost, troublesome in operation, different in tension of binding belts, and the like. The system comprises a controller, wng system for logistics cargoes is complex in structure, high in manufacturing cost, troublesome in operation, different in tension of binding belts, and the like. The system comprises a controller, wherein the controller is connected with a sensor and an actuating unit which are arranged on a belt-retracting device capable of driving a belt shaft of a tightener to retract and extend the binding bherein the controller is connected with a sensor and an actuating unit which are arranged on a belt-retracting device capable of driving a belt shaft of a tightener to retract and extend the binding belts; an input device is connected with the controller; when the input device controls the motion of the actuating unit, the controller can receive tension signals of the binding belts acquired by theelts; an input device is connected with the controller; when the input device controls the motion of the actuating unit, the controller can receive tension signals of the binding belts acquired by thesensor, compare the signals with a set value of the tension of the binding belts inside the controller and control the actuating unit to stop working when the tension signals of the binding belts rea sensor, compare the signals with a set value of the tension of the binding belts inside the controller and control the actuating unit to stop working when the tension signals of the binding belts reac