The invention discloses an organic fluorine modified polyurethane stain and water resisting coating. The coating comprises, by weight, 80-120 parts of organic fluorine modified polyurethane, 30-50 parts of alpha methyl styrene linear trimer, 10-30 parts of melamine polyphosphates, 2-8 parts of ammonium polyphosphate, 3-5 parts of nanometer zinc borate, 3-9 parts of magnesium hydrate, 2-6 parts of ultrafine ceramic powder, 4-8 parts of montmorillonoid, 6-12 parts of white fused alumina powder, 3-5 parts of carbon fluoride, 2-4 parts of sodium persulfate, 3-5 parts of aluminum oxide, 1-3 parts of silica powder, 1-5 parts of sodium molybdate, 1-5 parts of aluminum triphosphate, 1-3 parts of titanium dioxide, 2-6 parts of nano-barium sulfate, 3-8 parts of calcium stearate, 1-3 parts of pentaerythritol, 2-4 parts of dispersing agents, 3-5 parts of silane coupling agents, 2-5 parts of antioxidants, and 16-23 parts of water. The coating has excellent stain and water resistance and high wearing and corrosion resistance.