The present invention provides a medicament comprising a compound represented by general formula (1) which has Axl inhibitory activity, and an EGFR tyrosine kinase inhibitor in combination, and a method for treating cancer using this combination. The present invention provides an excellent medicament and method for treating cancer which is highly effective for inhibiting resistance to an EGFR tyrosine kinase inhibitor in cancer treatment, and causes less adverse reactions such as weight loss.