Abstract: In the experiment, the variance analysis was performed on the fresh yields of 8 silage maize varieties, the correlations between agronomic characters and fresh yields and among agronomic characters were analyzed. The results showed that the fresh and dry yields of Jinling 80, Zhongbei 410 and Beiqingzhu 1 were higher, they were suitable to be popularized and applied in Cangzhou City of Hebei Province; the fresh single plant weight, fresh leaf weight per plant, dry single plant weight, weight of single ear with shuck and stalk thickness were the main factors influencing fresh and dry weights; there were very great correlations among agronomic characters.