PROBLEM TO BE SOLVED: To provide a food for improving the intestinal environment, capable of discharging the bifidobacteria, lactobacillus and so on in a proper part from the small intestine to the large intestine to thereby improve the bowel movement, toilet odor, and the condition of excrement.SOLUTION: Food for improving the intestinal environment includes large intestine disintegration pharmaceutical preparation and the preparation of lactobacillus that contain bifidobacteria, and in a food set fort improving the intestinal environment, a required quantity of food for improving the intestinal environment is packed in one package. Preferably in the large intestine disintegration pharmaceutical preparation, the outer layer thereof is coated with a chitosan containing layer and an enteric-coated base material layer in order, and the preparation of lactobacillus is an enteric-coated preparation. Moreover, preferably the large intestine disintegration pharmaceutical preparation and/or the preparation of lactobacillus is one solid agent selected from a granule medicine, a tablet, a hard capsule and a soft capsule.
