The study aimed to screen suitable sugar sorghum varieties for planting in the Xing'an League area of Inner Mongolia,and analyzed and compared the production performance and nutritional quality of eight fodder sweet sorghum varieties,using grey relational analysis for comprehensive evaluation.The results showed that 3701 had the highest plant height(412.67 cm),fresh forage yield(186 111.11 kg/hm2),and dry forage yield(39 995.56 kg/hm2).Hercules had the highest crude protein content(5.17%).Manatee had the lowest content of neutral detergent fiber(64.02%)and acid detergent fiber(40.35%).The adaptability order of the eight tested varieties in the Xing'an League area of Inner Mongolia was:Fengtian>Lishen>F10>Green Giant>Hercules>Bull Demon King>Manatee>3701.The study indicates that the sweet sorghum variety Fengtian has the best comprehensive performance in the Xing'an League area and has the value for promotion.