The invention discloses a specific nanometer paint of energy-saving environment-protective typed aluminium alloy section bar (door and window), which comprises the following parts: 90-100% filming agent, 0.1-10% hardener, 0.5-8% levelling agent, 0.5-10% nanometer material, 20-50% fill and 10% hollow microball, wherein the filming agent is one or more of epoxy resin, polyester resin, acrylic acid resin, amino resin, phenol resin or alkide resin; the hardener is one or more of dicyandiamide, imidazole, dihydrazide, polybasic carboxylic acid, beta-hydroxyalkyl amide or triglycidol isocyanuric ester hardener; the levelling agent is one or more of polyacrylic resin, siliceous acryl resin, polyvinyl butyral, benzoin, hydrocastor oil, cellulose acetate butyrate or epoxy soy oil; the nanometer material is nanometer zinc oxide; the hollow micro-ball is hollow ceramic microball.