The sprinkler snow-melting equipment is operated by local inhabitants whom local public entity entrusted. There is a difference in an operating experience and the knowledge of the equipment for entrusted operators. In addition, the operator can do only the change of the ON and OFF of the water pump, cannot operate water temperature and quantity of sprinkling. In this study, an operating support system by the neural network which learned the judgment of the expert operator and the knowledge of the road with sprinkler snow-melting equipment, was developed.