Anti-tumor composition comprising a human-derived adult stem cells

PURPOSE: A composition containing human-derived adult stem cells for preventing or treating cancer is provided to ensure safety. CONSTITUTION: A composition for preventing or treating cancer contains human-derived adult stem cells or secretion thereof as active ingredient. The secretion is a TGF(transforming growth factor), bFGF(basic fibroblast growth factor), IGF(insulin-like growth factor), KGF(keratinocyte growth factor), fibronectin, VEGF(vascular endothelial growth factor), or procollagen. The adult stem cells are derived from adipose, muscle, placenta, umbilical cord blood, hair follicle, or skin tissue. A composition for activating immune system contains the human-derived adult stem cells and secretion thereof as active ingredient.