PROBLEM TO BE SOLVED: To provide a particulate water-absorbent excellent in pneumatic transportation conditions, and excellent in physical properties such as fluidity and damage resistance after pneumatic transportation without reducing the effect of a liquid passability improvement agent, and a method for producing the same.SOLUTION: The method for producing a particulate water-absorbent includes: a step of adding an organic surface cross-linking agent to a water-absorbing resin having a cross-linking structure； a step of adding a liquid passability improvement agent simultaneously with the surface cross-linking treatment or after the surface cross-linking treatment； and a step of adding a slipperiness improvement agent after that.【課題】空気輸送状態に優れ、かつ通液性向上剤の効果を低減することなく、空気輸送後の流動性、耐ダメージ性等の物性に優れた粒子状吸水剤及びその製造方法を提供する。【解決手段】粒子状吸水剤の製造方法は、架橋構造を有する吸水性樹脂に、有機表面架橋剤を添加する工程、表面架橋処理と同時または表面架橋処理の後に、通液性向上剤を添加する工程、さらにその後に滑り性向上剤を添加する工程を含む。【選択図】図１
