In order to accelerate the promotion of high-quality varieties and consolidate the foundation of the development of the sweet potato industry in Liancheng county,22 new sweet potato varieties were introduced for regional trials in 2022.The high-yield,adaptability,stress resistance,quality and other characteristics of each variety was observed and evaluated.The results showed that'Fushu 806'performed the best and could be used as a demonstration and promotion for fresh or dried sweet potato processing varieties.Next was'Longshu 599',which could be used as a demonstration planting for fresh or starch processing varieties'Longshu 35''Longshu 601''Huangjinshu 1',and'Huangjinshu 3'could be further demonstrated and planted in the county.