Use of sorafenib in preparing drugs for reversing multidrug resistance of tumors

The present invention discloses the use of multidrug resistance antineoplastic drugs belonging to one preparation technique and salts thereof in the manufacture of sorafenib BCRP mediated reversal of. The present invention Sorafenib and its salts with chemotherapeutic drugs, to restore the sensitivity of multidrug resistant tumor cells to anticancer drugs, the drug resistance to chemotherapy preparation used in clinical patient combined with chemotherapy or prevention of tumor cell resistance generation.