The invention discloses an impact resistant coating for a stamping die and a preparation process of the impact resistant coating. The coating comprises a bottom layer, an intermediate layer and a surface layer, wherein the bottom layer comprises the following ingredients in parts by weight: 8-22 parts of high-temperature vulcanized silicone rubber, 1-5 parts of polycarbamate, 0.5-2 parts of a lauric acid organic tin catalyst and 0.5-2 parts of resorcinol, the intermediate layer comprises the following ingredients in parts by weight: 5-15 parts of hydrogenated butadiene-acrylonitrile rubber, 3-15 parts of triallyl isocyanurate and 0.5-2.5 parts of an anti-aging agent, and the surface layer comprises the following ingredients in parts by weight: 32-55 parts of aqueous epoxy resin, 15-30 parts of an impact resistant agent, 6-20 parts of nano calcium carbonate and 1-6 parts of an acrylate leveling agent. According to the impact resistant coating disclosed by the invention, various ingredients are safe and environment-friendly, and resistant to corrosion, high temperature, aging and impact friction, the impact resistance is good, with respect to the preparation process, the three-layer coating process is adopted, and the service life of the stamping die is prolonged.