Abstract: The present invention relates to a marker for the prognosis of liver cancer; a composition for estimating the prognosis of liver cancer, which contains a substance for detecting a change in the expression level of the prognostic marker for liver cancer; a kit for estimating the prognosis of liver cancer, which contains the composition for estimating liver cancer prognosis; a method for estimating the prognosis of liver cancer using the marker for liver cancer prognosis; and a method for screening a therapeutic agent for liver cancer using the marker for the prognosis of liver cancer.