The present invention relates to a novel anticancer composition, and more specifically, to: an anticancer pharmaceutical composition comprising a compound represented by chemical formula 1 or a pharmaceutically acceptable salt thereof； a method for preventing or treating cancer, comprising a step of administering an effective amount of a compound represented by chemical formula 1 or a pharmaceutically acceptable salt thereof to an individual in need thereof； and a use of a compound represented by chemical formula 1 or a pharmaceutically acceptable salt thereof for preparing an agent for preventing or treating cancer. The compound of the present invention inhibits, dependent on the concentration, the protein level of AIMP2-DX2, which is overexpressed in lung cancer cells, and inhibits, dependent on the concentration, the survival of cancer cells without acting on normal cells, and thus a pharmaceutical composition comprising the compound of the present invention or a pharmaceutically acceptable salt thereof can be used for preventing and treating cancer.
