The present invention relates to a hericium erinaceus-containingcereal comprising grain or legume, saccharide andHericium erinaceus, and a method for preparing the same. TheRericium erinaceus-containing cereal according to the presentinvention enables the Rericium erinaceus component havingexcellent anticancer and brain function-activating effects tobe naturally taken as a meal replacement or a light meal bypeople of all ages and both sexes without rejection.