PROBLEM TO BE SOLVED: To provide a composition for regenerating liver tissue, particularly a composition for regenerating liver tissue for treating liver disease. A composition for regenerating liver tissue contains human dental pulp stem cells as an active ingredient. [Selection diagram] None【課題】肝臓組織再生用組成物、特には、肝疾患の治療ための肝臓組織再生用組成物を提供する。【解決手段】肝臓組織再生用組成物に、有効成分としてヒト歯髄幹細胞を含有させる。【選択図】なし