Abstract: Provided are a paper coating material having environment-friendly, water-proof, and oil-proof properties, and a method of manufacturing the same. The paper coating material includes a copolymer emulsion in which a silicon-based polymer and an acryl-based polymer are copolymerized, the copolymer emulsion having the weight average molecular weight of 100,000 to 200,000, and a colloidal aqueous solution of gelatinized polyvinyl alcohol to be mixed with the copolymer emulsion. The environment-friendly paper coated with the environment-friendly coating material according to the present invention is excellent in water-proof, oil-proof and heat sealing properties, harmless to the human body when used for packaging food, and recyclable as a raw material for making paper. It is also biodegradable and therefore, environment-friendly.