This anti-inflammatory drug, which contains a G0/G1 switch 2 (G0S2) inhibitor as the active ingredient, is useful as a novel anti-inflammatory drug.L'invention concerne un médicament anti-inflammatoire contenant, comme principe actif, un inhibiteur G0S2 - G0/G1 switch protein 2 -, ledit médicament s'avérant utile en tant que nouveau médicament anti-inflammatoire.G0/G1 Switch 2(G0S2)阻害剤を有効成分として含有する抗炎症剤は、新たな抗炎症剤として有用である。