Anhydrous press-in slurry used for a blast furnace is used for repairing the blast furnace in the damping down process through pumping and belongs to the field of a refractory material in inorganic nonmetallic materials. The anhydrous press-in slurry consists of the following materials by weight: 40-60% of aggregates, 5-15% of matrixes, 25-40% of a binding agent and 1-5% of additives, wherein the aggregates can be one of high bauxite, silicon carbide and a carbon material or a composite of the high bauxite, the silicon carbide and the carbon material, and the aggregate size is less than 0.5mm; the matrixes can be one of silica micropowder and binding clay or a composite of the silica micropowder and the binding clay generally; the binding agent can be a liquid phenolic resin; and the additives can be a curing agent and the like. The mixed powder and the binding agent are pressed in a damaged part of a lining of a furnace shell by a grouting machine and then are cured to form a solid compact whole body, thereby avoiding the damage of a water press-in material used for the blast furnace to the carbon lining after production, so as to shorten the overall time, improve the efficiency and ensure the long-time and stable operation of the blast furnace.