The present invention relates to a novel molecular marker for pancreatic cancer stem cells and pancreatic cancer, to a marker detection method, and to a screening method. The present invention is a marker discovered from the cell lines of pancreatic cancer, wherein the marker may detect pancreatic cancer, in particular early pancreatic cancer, through the detection of a pancreatic cancer stem cell marker. In addition, the marker of the present invention may enable an accurate diagnosis and prognosis analysis of pancreatic cancer.
