Black soybean is a kind of edible and pharmacentical beans. It has more outstanding biological activities after germination and shows various nutritional,health-promoting and cosmetology functions. This paper reviews research advances on active ingredients and biological activities of black soybean sprouts according to recent researches. It is pointed out that germination process is a natural biological converter that can improve the biological activities of the seed and give a new research and utilization direction of the seed resources.