A production method of a maraging steel, comprising: a step of producing a remelt electrode for vacuum arc remelting by vacuum melting, the remelt electrode comprising from 0.2 to 3.0% by mass of Ti and from 0.0025 to 0.0050% by mass of N; wherein the step of producing the remelt electrode comprises adding N to molten steel in conditions in which a pressure of nitrogen atmosphere of from 1 kPa to 40 kPa is maintained for from 3 minutes to 30 minutes, and the pressure of nitrogen atmosphere is subsequently reduced to a range of from 200 Pa to 800 Pa and maintained for from 30 minutes to 180 minutes, wherein the remelt electrode has a chemical composition of 0.01% by mass or less of C, 1.7% by mass or less of Al, from 0.01 to 0.10% by mass of Si, from 0.01 to 0.10% by mass of Mn, from 0.2 to 3.0% by mass of Ti, from 8.0 to 22.0% by mass of Ni, from 5.0 to 20.0% by mass of Co, from 2.0 to 9.0% by mass of Mo, from 0.0025 to 0.0050% by mass of N, 0.0015% by mass or less of O, and the balance being Fe and unavoidable impurities, and wherein the N is added to the molten steel by introducing nitrogen gas into an atmosphere in contact with the molten steel and a step of producing a steel ingot having an average diameter of 650 mm or more by remelting the remelt electrode by vacuum arc remelting; wherein the steel ingot has a chemical composition of 0.01% by mass or less of C, 1.7% by mass or less of Al, from 0.01 to 0.10% by mass of Si, from 0.01 to 0.10% by mass of Mn, from 0.2 to 3.0% by mass of Ti, from 8.0 to 22.0% by mass of Ni, from 5.0 to 20.0% by mass of Co, from 2.0 to 9.0% by mass of Mo, less than 0.0025% by mass of N, 0.0015% by mass or less of O, and the balance being Fe and unavoidable impurities wherein the resulting maraging steel comprises from 0.2 to 3.0% by mass of Ti. a step of producing a remelt electrode for vacuum arc remelting by vacuum melting, the remelt electrode comprising from 0.2 to 3.0% by mass of Ti and from 0.0025 to 0.0050% by mass of N; wherein the step of producing the remelt electrode comprises adding N to molten steel in conditions in which a pressure of nitrogen atmosphere of from 1 kPa to 40 kPa is maintained for from 3 minutes to 30 minutes, and the pressure of nitrogen atmosphere is subsequently reduced to a range of from 200 Pa to 800 Pa and maintained for from 30 minutes to 180 minutes, wherein the remelt electrode has a chemical composition of 0.01% by mass or less of C, 1.7% by mass or less of Al, from 0.01 to 0.10% by mass of Si, from 0.01 to 0.10% by mass of Mn, from 0.2 to 3.0% by mass of Ti, from 8.0 to 22.0% by mass of Ni, from 5.0 to 20.0% by mass of Co, from 2.0 to 9.0% by mass of Mo, from 0.0025 to 0.0050% by mass of N, 0.0015% by mass or less of O, and the balance being Fe and unavoidable impurities, and wherein the N is added to the molten steel by introducing nitrogen gas into an atmosphere in contact with the molten steel and a step of producing a steel ingot having an average diameter of 650 mm or more by remelting the remelt electrode by vacuum arc remelting; wherein the steel ingot has a chemical composition of 0.01% by mass or less of C, 1.7% by mass or less of Al, from 0.01 to 0.10% by mass of Si, from 0.01 to 0.10% by mass of Mn, from 0.2 to 3.0% by mass of Ti, from 8.0 to 22.0% by mass of Ni, from 5.0 to 20.0% by mass of Co, from 2.0 to 9.0% by mass of Mo, less than 0.0025% by mass of N, 0.0015% by mass or less of O, and the balance being Fe and unavoidable impurities wherein the resulting maraging steel comprises from 0.2 to 3.0% by mass of Ti.