The invention discloses calcium-plastic high-intensity corrugated paper which consists of a corrugated layer and a plastic layer, and is prepared from the following raw materials in parts by weight: 200 to 400 parts of waste newspaper, 80 to 110 parts of wheat straws, 80 to 120 parts of paper mulberry barks, 100 to 160 parts of modified corn starch, 50 to 70 parts of graphene, 60 to 80 parts of borax powder, 40 to 56 parts of sodium bentonite, 30 to 36 parts of potassium permanganate, 21 to 35 parts of aluminum hydroxide, 20 to 30 parts of sodium carbonate, 11 to 27 parts of ammonium persulfate and 20 to 30 parts of calcium carbonate; and the plastic layer is prepared from the following raw materials in parts by weight: 40 to 60 parts of polyvinyl chloride, 21 to 27 parts of phenolic resin, 11 to 17 parts of industrial alcohol, 3 to 7 parts of methylbenzene, 13 to 19 parts of titanium dioxide and 14 to 22 parts of N,N-dimethyl benzylamine. The calcium-plastic high-intensity corrugated paper is uniform in thickness, high in water resistance, high in buffer property and convenient to recycle.