The invention relates to an environment-friendly weather-proof silicone rubber coating which is characterized by comprising a component A, a component B and a platinum catalyst, wherein the mass ratio of the component A to the component B is 1:1; the mass ratio of the platinum catalyst to the component A is 1:500; the component A contains phenyl vinyl polydimethyl siloxane, polyether modified polydimethyl siloxane, methylsesquisiloxane, sodium carboxymethylcellulose, sodium benzoate, methyl triethoxy silane and deionized water at a certain ratio; the component B contains phenyl hydrogenated dimethyl siloxane, polyether modified polydimethyl siloxane, methylsesquisiloxane, sodium carboxymethylcellulose, sodium benzoate and deionized water at a certain ratio. The environment-friendly weather-proof silicone rubber coating has the beneficial effects of simple processing steps, convenience in use, excellent weather-proof property of the coating, no pollution to environment, and the like.