The present invention provides 1-[[[4-(4-fluoro-2-methyl-1H-indol-5-yl)oxy-6-methoxyquinolin-7-yl]oxy]methyl]cyclopro-pylamine used for combating a tumor. Specially, the present invention refers to method for treating tumor, pharmaceutical composition and medicinal kit related to the described compound. Administrating the compound with a suitable dosage regimen can not only make the patient's plasma concentration maintain the level of 100 ng/ml or lower, but also achieve effects of treatments and obtain benefits for various tumours.