For severe long-term defecation, it is suggested that Chinese medicine take fructooligosaccharides for conditioning. Changle Fructooligosaccharide is a kind of water-soluble dietary fiber, which can clean intestinal tract, balance intestinal flora, maintain intestinal health, make bifidobacteria grow rapidly in intestinal tract, adjust intestinal tract in two directions, and effectively solve constipation, diarrhea and other problems. Has the functions of preventing colorectal cancer and expelling toxin.