Abstract: A comparison test of 11 sweet corn varieties (line) was carried out in order to screen high yield, high quality and disease-resistant ones which suitable to be extended in Datian County. The results showed that Tianyu 66, Jingtian No.5, Tianyu 2021, Ketian 981, Kanggaoda 333 had agronomic characters of high yield, quality and low morbidity. So, they could be popularized in Datian County.