Abstract:Eurotium cristatum is a kind of natural probiotic bacteria which can be produced by the fahua-fermentation of Fu-brick tea in a specific environment.It has many functions such as the improvment of tea quality，the reduction of blood pressure and the loss of weight.In order to provide some useful information for the further study of Eurotium cristatum，the functional characteristics of Eurotium cristatum，the relationship between the conditions of fahua-fermentation and the quality of tea，existing problems and development direction were introduced mainly in this article.