The present invention relates to a kind of new c-Met/HGFR inhibitor be (R) -3- [1- (2,The chloro- 3- fluoro-phenyls of 6- bis-)-ethyoxyl] -5- (1- piperidin-4-yl -1H- pyrazoles -4- bases)-pyridine -2- bases amine treats the purposes of abnormal cell growth in the mammalian body with what. More specifically, the present invention provides the method for mammal of the treatment with cancer.本發明涉及一種新的c-Met/HGFR抑制劑即(R)-3-[1-(2,6-二氯-3- 氟-苯基)-乙氧基]-5-(1-哌啶-4-基-1H-吡唑-4-基)-吡啶-2-基 胺用於治療哺乳動物體內不正常細胞生長的用途。更具體地說,本發明提供治療患有癌症的哺乳動物的方法。