The invention discloses an amino acid resin and hydroxyl containing alkyd resin mixed paint, which comprises the following components in parts by weight: 30 to 60 parts of hydroxyl containing alkyd resin, 10 to 20 parts of polyvinyl alcohol, 20 to 40 parts of amino acid resin, 3 to 5 parts of pentaerythritol, 10 to 12 parts of gypsum powder, 8 to 15 parts of polyurethane, 5 to 10 parts of isophorone diisocyanate, 4 to 8 parts of dry plant oil, 1 to 3 parts of cellulose, 1 to 4 parts of thickening agent, 1 to 5 parts of antifoaming agent, and 1 to 2 parts of dispersant. The mixed paint has an excellent thermal insulation performance, good antiseptic property, excellent fireproof property, and good high temperature resistant performance.