A method for preparation of a super absorbent polymer comprising a crosslinked polymer, the crosslinked polymer being obtained by surface-crosslinking a base polymer prepared by polymerizing a water-soluble ethylene-based unsaturated monomer including an acidic group in which at least a part of the acidic group is neutralized, wherein the super absorbent polymer has a centrifuge retention capacity (CRC), measured according to EDANA WSP 241.2, of more than 20 g/g, an absorbency under 0.9 psi load (AUL), measured according to EDANA WSP 242.2, of more than 18 g/g, and ARUL shown in the following Equation 1 of 60% to 85%: ARUL = 0.3 AUL 5 min / 0.3 AUL 60 min in Equation 1, 0.3AUL(5 min) and 0.3AUL(60 min) are the values of absorbency under load (AUL) at 5 minutes and 60 minutes shown in the following Equation 2, respectively, 0.3 AUL g / g = Wb g − Wa g / weight g of the absorbent polymer in Equation 2, Wa(g) is the sum of the weight of the absorbent polymer and the weight of the device capable of providing a load for the absorbent polymer, and Wb(g) is the sum of the weight of the absorbent polymer in which moisture is absorbed after supplying water for the absorbent polymer under a load (0.3 psi) for 5 minutes or 60 minutes, and the weight of the device capable of providing a load for the absorbent polymer, wherein the method comprises the steps of: 1) carrying out thermal polymerization or photopolymerization of a monomer composition including a water-soluble ethylene-based unsaturated monomer and a polymerization initiator to form a hydrous gel phase polymer; 2) passing the hydrous gel phase polymer through a chopper die and pulverizing the polymer; 3) drying the pulverized hydrous gel phase polymer; 4) pulverizing the dried polymer; and 5) surface-crosslinking the pulverized polymer, wherein the chopper die is provided with a plurality of holes, the chopper die has an opening/ closing rate of 30 to 40%, wherein the opening and closing rate of the chopper die refers to the total width of holes compared to the overall width of the upper surface of the chopper die, and the chopper die satisfies the following Mathematical Formula 1: c > 2 × 0.4 × π × n × A wherein A is the overall width of the upper surface of the chopper die, n is the number of holes, and c is the total circumference of the plurality of holes. Wa(g) is the sum of the weight of the absorbent polymer and the weight of the device capable of providing a load for the absorbent polymer, and Wb(g) is the sum of the weight of the absorbent polymer in which moisture is absorbed after supplying water for the absorbent polymer under a load (0.3 psi) for 5 minutes or 60 minutes, and the weight of the device capable of providing a load for the absorbent polymer, 1) carrying out thermal polymerization or photopolymerization of a monomer composition including a water-soluble ethylene-based unsaturated monomer and a polymerization initiator to form a hydrous gel phase polymer; 2) passing the hydrous gel phase polymer through a chopper die and pulverizing the polymer; 3) drying the pulverized hydrous gel phase polymer; 4) pulverizing the dried polymer; and 5) surface-crosslinking the pulverized polymer, <EOS>