In this paper, intelligent control technology as the core is in combination with weather and road surface condensation ice information collection technology, water supply and drainage technology. According to control algorithm based on logic, weather and road information are synthetically analyzed of, which predicts the road icy snow conditions. According to the division of risk rating, the equipment can automatically spray deicing fluid occurring at road ice freezes before or after, which reduces the threat to the safety of vehicle under bad weather. This paper mainly includes the following contents :(1) According to the classification of subsystems, the hardware components of the system are briefly introduced.(2) The paper introduces the key control technologies of the system according to the control principle, including decision-making spray control and pressure control.(3) The paper analyzes the effect of hardware and control mode in practical application.

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