Silage corn is recognized worldwide as a high-quality roughage, which is the support for the development of modern herbivorous animal husbandry in Lanzhou New Area. In order to screen out the silage maize varieties suitable for planting in Lanzhou New Area, 9 silage maize varieties, including Hongtai 66, Huamu 3 and Keyu 188,were selected by a randomized block experiment, and their comprehensive traits such as plant traits, nutritional quality and grass yield were measured and analyzed. The results showed that under the experimental conditions.The yield of fresh hay and dry matter of Huamu No. 3 and Yayu No. 26 were significantly higher than those of other varieties（P＜0.05）. The experiment showed that Huamu No. 3 and Yayu No. 26 were suitable for planting in Lanzhou New area, and could be used as silage maize varieties to expand the planting area.