The invention discloses a rainwater removing helmet. The rainwater removing helmet includes a helmet body, wherein a transparent windshield is arranged on the helmet body, two grooves are symmetrically formed o an outer surface of the windshield along edges at left and right sides; and a rain blowing assembly is arranged on an upper edge of the windshield. The rain blowing assembly includes: an air intake pipe which is fixed on an upper edge of the windshield, wherein a partition plate is arranged in the air intake pipe to divide the air intake pipe into a left pipe and a right pipe; a pair ofair blowers, wherein air outlet ends of the pair of air blowers communicate with the left pipe and the right pipe respectively; a heating sleeve sleeving the air intake pipe, wherein an electrical heating wire is arranged in the heating sleeve; a plurality of left air blowing pipes and a plurality of right air blowing pipes, wherein the orientation of the left air blowing pipes is positioned on the groove at the left side, and the orientation of the right air blowing pipes is positioned on the groove at the right side; a ventilation mechanism, wherein the ventilation mechanism includes fixingbands and an upper housing; a nose and mouth protection assembly; an air feeding assembly; and air outlet pipes. The rainwater removing helmet can generate hot air to blow the windshield so as to allow rainwater to flow to the grooves at the two sides quickly, can perform air-dying on the windshield, and can remove rainwater.