A pharmaceutical composition for treating cancer in an individual, comprising at least a pharmaceutically effective amount of a novel target HCC reversal signal substance, and a pharmaceutically acceptable ingredient comprising a vehicle, a carrier, a diluent or an excipient in which the ratio among each component of the pharmaceutical composition may be adjustable depending on the type of cancer wherein the novel target HCC reversal signal substance comprises at least one selected from the group consisting of antroquinonol (AQL), antrocinnamonin A (ACA), antroquinonol B (AQB), antroquinonol D (AQD), dehydroeburicoic acid (DEA), dehydrosulphurenic acid (DSA), zhankuic acid A (ZAA), zhankuic acid C (ZAC), antcin K (ANK), antcin C (ANC), and a mixture thereof.