PROBLEM TO BE SOLVED: To provide an anti-inflammatory drug and an anti-inflammatory cytokine inhibitor including a new phospholipid having a high anti-inflammatory action and a specified acidic lipid.SOLUTION: Provided is an anti-inflammatory drug or an inflammatory cytokine production inhibitor including 1-eicosapentaenoyl-2-(3-hydroxy)palmitoylphosphatidyl glycerol and a lipid as fatty acid in which the number of carbons is 20 or higher and the number of double bonds is 4 or more, being a glycero type acidic substance in which two fatty acids are coupled to the 1, 2 positions of a glycerol skeleton.COPYRIGHT: (C)2016,JPO&INPIT【課題】高い抗炎症作用を有する新規リン脂質、並びに特定の酸性脂質を含む抗炎症剤及び炎症性サイトカイン抑制剤を提供。【解決手段】1-エイコサペンタエノイル-2-(3-ヒドロキシ)パルミトイルホスファチジルグリセロール、並びにグリセロール骨格の1,2位の位置に脂肪酸が2個結合したグリセロ型の酸性脂質であって、炭素数が20以上で、二重結合の数が4個以上の脂肪酸である脂質を含む抗炎症剤又は炎症性サイトカイン産生抑制剤。【選択図】なし