A vehicle defrost system

The present invention discloses an automobile defrost system, comprising: a hollow body; a heater for injecting liquid into the body cavity is heated by heating the liquid to be heated is liquid; pump; having opposite the liquid outlet pipe of the first end portion and a second end, the first end portion communicating with said liquid, said second end communicating with a sprayer, the liquid outlet pipe is also connected to be driven by said heated liquid from the first end portion flows into and out of the liquid outlet pipe from the pump to the second end portion of the sprayer; sprayer disposed on the windshield of an automobile, the after the liquid return pipe communicating with the discharge liquid, the liquid return pipe for completing the spray; driving said pump of said heated liquid through said ejection liquid is sprayed onto the windshield the further the liquid remaining in the ejection of the heated liquid is draining back to the body cavity. Automotive defrosting system of the present invention can achieve the effect of the whole windshield defrosting.