The invention discloses a production process of low-ration high-strength waterproof plaster board mask paper, comprises the three steps of material preparation, pulp production and paper making. National waste newspaper, imported American wastepaper and various addictives are added according to a certain ratio and can be adjusted by corresponding processes, so that the invention has reasonable process path, realizes reasonable matching of long and short fibers, improves the quality of products, reduces the paper ratio of finished products, improves the physical strength, also saves resources,and greatly reduces the production cost of a plaster board. The plaster board mask paper produced by using the process has the characteristics of low ratio, high strength, favorable fireproof performance, attractiveness and the like and can completely replace imported products.