Abstract：‘Longshu No.34’is a new red-fleshed sweet potato variety bred by crossing‘Yanshu No.5’as female parent and‘Yanfen No.1’as male parent．It is of semi-erect type with short vine．The tubers is concentrated and orderly．The single plant tubers number is 5-6．Its tuber is of spindle shape，smooth and beautiful．The tuber skin and flesh are red in color．The average dry matter rate is 28.96%，and starch content is 693.0 g · kg-1，respectively．The cooked tuber tastes soft，fragrant and sweet．It is medium resistant to bacterial wilt．The ratio of large and medium tubers is 92.35%．The yield of fresh tuber is about 30 t · hm-2 and dried yield is about 9 t · hm-2．It is suitable for planting in spring，summer and autumn in Fujian region．
