The present invention provides a use of a composition for preparing a drug for inhibiting a migration and an invasion of a lung cancer cell mediated by a Benzo(a)pyrene, wherein the composition comprises a Laricitrin.本發明提供一種組合物用於製備抑制苯芘(BaP)誘導的肺癌細胞的轉移和侵襲之藥物的用途,其中該組合物包含一西伯利亞落葉松黃酮(Laricitrin)。