Abstract: The“53”corn inbred line is bred by nine fine corn inbred lines，which constitute foundation colony，through two generations open-pollination，and then self-pollination．The results of experiment show that the “53” hlgh-resistant to leaf spot，leaf blight，bacterial and resisting head smut，mosaic，and so on, It is good of resisting fall．combining abiity and self-output and appropriate growing period．