A pharmaceutical composition for inhibiting tumor metastasis is disclosed. The pharmaceutical composition includes a therapeutically effective amount of 7,7"-Dimethoxyagastisflavone (DMGF), a biflavonoid compound, and a pharmaceutically acceptable carrier. The present invention also discloses a use of DMGF for manufacturing a pharmaceutical composition applied to inhibit tumor metastasis. The application of the pharmaceutical composition and the use of the present invention are advantageous for inhibiting tumor metastasis efficiently.本發明揭示一種抑制腫瘤轉移的醫藥組合物，其包括一治療上有效劑量之雙磺酮類化合物DMGF以及一醫藥上可接受之載體。本發明另揭露一種雙磺酮類化合物DMGF用於製備抑制腫瘤轉移之醫藥組合物之用途。利用本發明之醫藥組合物及用途，可有效的抑制腫瘤轉移。
