The invention relates to a pharmaceutical composition containing a hepatocyte growth factor receptor (cMet) inhibitor and a histone deacetylase (HDAC) inhibitor, and application of the pharmaceuticalcomposition in the preparation of medicaments for treating intestinal cancer, sarcoma, glioma, liver cancer, lung cancer, stomach cancer, brain tumors, pancreatic cancer, ovarian cancer, mammary cancer or prostate cancer. The pharmaceutical composition has significant synergistic effect, improves the treatment effect of the medicaments, reduces the administration dose and reduces side effects.