Abstract: Abstract: The new small soybean varieties Hefeng54 (Hejiao05-1478) and Hefeng58 (Hejiao05-1483) were bred through sexual hybridization, its female parent is the Japanese small soybean variety resource, and its male parent is Longxiaolidou No1 of domestic small soybean variety. The article outlines the utilization of foreign soybean variety resources and the innovation of small soybean variety, and discussed related technology issues.