The utility model relates to a heating device for the deicing fluid used for an airplane, which belongs to the airport surface equipment field. The heating device comprises a boiler and a deicing fluid pipeline, and is characterized in that the water outlet of the boiler is of a shunt circuit; one circuit is connected with a water tank, and the other circuit is connected with a deicing fluid heating coil; the water inlet of the boiler is connected with the water tank, the water outlet of the boiler is connected with a hot water pipe through a retaining valve and a tee joint, the hot water pipeline is parallel connected with the deicing fluid pipeline at the outlets of the respective retaining valve, and a deicing fluid one-way branch circuit is arranged between the deicing fluid pipeline and a deicing fluid safe circuit; and a water discharging one-way branch circuit is arranged between the water inlet pipe of the boiler and the water outlet pipe safety circuit. The utility model provides a heating device for clear water and the deicing fluid used for the airplane, the deicing fluid pipeline is parallel connected with one hot water pipe; a flowmeter and a variable pump which are linked are arranged on the deicing fluid pipeline and the hot water pipeline so as to adjust the concentration ratio of the deicing fluid according to different environments and icing state of the airplane, thereby achieving the purpose of reducing the consumption of the deicing liquid.