The resistance of 145 maize inbred lines to Aspergillus flavus were identified.The results showed that:(1) There were significant difference in resistance among inbred lines.Eight inbred lines were highly resistant,and 72 inbred lines were moderately resistant;(2) Most inbred lines with high resistance to Aspergilluv flavus came from Southern China;(3) Treatment with radiation can increase resistant level;(4) Popcorn were resistant to the disease;(5) There were difference in resistance by inoculation with different strains of Aspergillus flavus.