PROBLEM TO BE SOLVED: To provide a pharmaceutical composition for cell protection, which suppresses cell death of kidney cells and hepatocytes induced by high-concentration drug treatment and protects the cells. SOLUTION: A pharmaceutical composition for cell protection containing cyclohistidine-proline (CycloHis-Pro, CHP) as an active ingredient. [Selection diagram] None【課題】高濃度の薬物処理で誘発される腎臓細胞、肝細胞の細胞死を抑制し、細胞を保護する、細胞保護用薬学的組成物の提供。【解決手段】シクロヒスチジン-プロリン(Cyclo His-Pro、CHP)を有効成分として含む細胞保護用薬学的組成物。【選択図】なし