PROBLEM TO BE SOLVED: To provide an inflammatory disease therapeutic agent that has reduced side effects and also has a high anti-inflammatory effect.SOLUTION: An inflammatory disease therapeutic agent comprises extract from tsukuba3 strain of Aurantiochytrium (accession number: FERM BP-11442) as an active ingredient.SELECTED DRAWING: None【課題】副作用が少なく、抗炎症効果が高い炎症性疾患治療剤を提供する。【解決手段】オーランチオキトリウム(Aurantiochytrium)属に属するtsukuba3株(受託番号:FERM BP-11442)の抽出物を有効成分として含有する、炎症性疾患治療剤。【選択図】なし