A vegfr tyrosine kinase inhibitor is a drug that inhibits tyrosine kinase activity. vegfr tyrosine kinase inhibitor belongs to highly selective molecular targeting drugs, the drug can accurately act on the tumor, block tumor signaling, inhibit tumor cell reproduction, so as to control the patient’s condition, to avoid its continuous deterioration, to prolong the patient’s survival cycle, and improve the quality of life. Clinical tyrosine kinase inhibitors mainly include imatinib, dasatinib and nilotinib, etc., which can be used in the treatment of non-small cell lung cancer, renal cell carcinoma, acute lymphoblastic leukemia and other cancers, but the specific use of drugs should be combined with the type of pathology, mutation, etc., so that the patients should not use the drugs on their own.