The embodiment of invention provides an ice coating test climate box which comprises a test box, an overlapping type refrigerating system connected with the test box, as well as a water refrigerating system, a spraying system and a wind speed regulating system, wherein the overlapping type refrigerating system is used for refrigerating for the test box; an evaporator in the water refrigerating system uses a condenser and a compressor in the overlapping type refrigerating system to generate cooling water which is conveyed to a first pipeline and a third pipeline, the cooling water in the first pipeline and the third pipeline and cold water in a cold water tank perform cooling capacity exchange, and a float valve realizes automatic water supplement to stabilize the temperature of super-cooled water during spraying; the spraying system comprises a water storage tank, the cold water tank, a water recovery tank, an air compressor, a booster pump, a water suction pump, a two-fluid nozzle and a single-fluid nozzle which are installed at the top of the test box; the wind speed regulating system which comprises a frequency conversion type centrifugal fan and a wind speed measuring instrument is arranged in a low-temperature test box, the frequency conversion type centrifugal fan is used for supplying wind force in the low-temperature test box, and the wind speed measuring instrument is used for measuring wind speed.