The invention discloses an aluminum sol furniture coating, which is composed of the following raw materials: calcium chloride, aluminium isopropoxide, N-ethyl-p-toluenesulfonamide, diphenyl methane diisocyanate, tung oil, sodium hydroxide, methanol, perfluorosulfonate resin, acetic acid, 26-30% hydrogen peroxide, tetraethyl orthosilicate, Y-chloropropyltrimethoxysilane, unsaturated polyester resin, methylethyl ketone peroxide, montmorillonite powder, tert-butylhydroquinone, stearic acid, phthalic anhydride, benzyltrimethylammonium chloride, fatty alcohol polyoxyethylene ether ammonium sulfate and a cross-linking agent taic. By using aluminium isopropoxide as an aluminium source, the obtained aluminium sol can effectively improve compatibility of all the raw materials, and stability strength of a film of the finished product is boosted.