The invention belongs to the technical field of wood-plastic composite materials and especially relates to an electron beam radiation curing coating for wooden floor. The electron beam radiation curing coating for wooden floor comprises the following ingredients (by weight): 50-70 parts of epoxy acrylate prepolymer; 30-45 parts of castor oil alkyd resin, 1-5 parts of an auxiliary agent, 10-20 parts of 1,4-butanediol divinyl ether, and 5-10 parts of a functional filler. The invention provides a novel formula of the electron beam radiation curing coating for wooden floor and a preparation methodthereof. by using 1,4-butanediol divinyl ether as a reactive diluent, high curing speed, low processing temperature, fast drying and low curing radiation dose are guaranteed for the electron beam radiation curing coating for wooden floor, and the environmental protection requirement is met.