Probiotic freeze-dried powder and preparation method thereof

The invention belongs to the technical field of probiotic preparations, and discloses probiotic freeze-dried powder and a preparation method thereof. The probiotic freeze-dried powder is rich in various prebiotics, various dietary fibers and various vitamins, various bacterial strains are carefully selected, and a finished product is obtained by a multilayer embedding technique. The finished product contains more than 1.8 trillion CFU. The probiotic freeze-dried powder has the effects of regulating the intestines and the stomach, supplementing vitamins and various trace elements, obviously increasing the absorptivity, promoting absorption and also contributing to improvement of the immunity of a user. Decomposition of foods in the small intestine can be accelerated, survival and reproduction of putrefying bacteria are inhibited, the metabolic pathway of protein is changed, release of volatile organic gas such as ammonia gas and hydrogen sulfide is eliminated, and meanwhile, the probiotic freeze-dried powder i