Disclosed are a superabsorbent polymer having improved anti-caking properties and a method of preparing the same, and the superabsorbent polymer having improved anti-caking properties includes a superabsorbent polymer, microparticles, and water, and to improve anti-caking properties of the superabsorbent polymer, the temperature of the superabsorbent polymer or water upon addition of water or the aging time upon stirring is adjusted, thereby preventing caking of the particles.本發明揭示抗結塊性質增進之超吸收性聚合物及其製造方法。該抗結塊性質增進之超吸收性聚合物包括超吸收性聚合物、微粒子、及水,為了增進該超吸收性聚合物之抗結塊性質,調整於添加水時該超吸收性聚合物或水的溫度或攪拌時之老化時間,從而防止該等粒子結塊。