The invention discloses a material for producing a copper-clad plate, which comprises a glass cloth, an epoxy resin and a copper foil, wherein the epoxy resin is a phosphorus/nitrogen epoxy resin, an inorganic flame retardant is added in the epoxy resin, and the inorganic flame retardant contains aluminum hydroxide powder and silicon powder; and the glass cloth is formed by weaving untwisted opened glass fibers. By using the superfine aluminum hydroxide powder and the super soft silicon powder as flame retardant materials in the epoxy resin in the copper-clad plate material to replace brominated resin and other halogens used as the flame retardant materials in the prior art, the invention solves the problem that dioxin substances harmful to humans and environment are produced in the burning process of bromides because the flame retardant system of a common copper-clad plate is a bromine-containing resin system.