Composition for adjusting balance of intestinal flora and preparation method and application of composition

The invention relates to a composition for adjusting balance of intestinal flora. The composition is prepared from raw materials including the following components: psyllium husk powder, dried citrusreticulata blanco peel, polygonatum ordoratum rhizomes, Pu'er tea and probiotics. The invention provides a preparation method of the composition at the same time. The preparation method comprises thefollowing steps of performing extraction on the dried citrus reticulata blanco peel, the polygonatum ordoratum rhizomes and Pu'er tea with water, concentrating an extraction solution, performing drying, and then mixing the dried extraction solution with the psyllium husk powder and the probiotics. The composition provided by the invention can be directly taken, and can be further processed into foods, health-care products or medicines capable of preventing and treating intestinal tract relevant diseases of indigestion, constipation and the like. The composition provided by the invention is prepared from medicinal and e