Bifidobacterium is one of the most important active bacteria in the intestines of people and animals.It participates in the host's many kinds of ecological effects and physiological courses,and play an important role in maintaining the host health.The paper dwells on the biological properties and health effect of Bifidobacteria.It surveys the problems of Bifidobacteria product and its their solutions.It also predicts Bifidobacterium's future development.This kind of Bifidobacterium has so many benefits that...