Doodling-resistant environment-friendly wall coating and preparation method

The invention discloses a doodling-resistant environment-friendly wall coating and a preparation method. The formula and mass ratio of the doodling-resistant environment-friendly wall coating are as follows: the mass ratio of a coating component A to hydrophilic isocyanate crosslinking agent is (1to6) to (1to3); and in parts by weight, the coating component A consists of 300 to 500 parts of modified aqueous hydroxy acrylate dispersion, 100 to 200 parts of organosilicone-modified acrylic ester, 100 to 240 parts of deionized water, 9 to 25 parts of defoaming agent, 3 to 10 parts of dispersing and wetting agent, 5 to 10 parts of rheological agent, 200 to 300 parts of body filler, 13 to 20 parts of anti-scratching agent, 12 to 20 parts of film coalescing aid, 3 to 5 parts of leveling agent, 5to 10 parts of thickening agent and 10 to 20 parts of multifunctional aid. The specific steps of the method for preparing the doodling-resistant environment-friendly wall coating are as follows: (Step1) preparation of the coa