Inulin. According to the public health network, inulin can supplement crude fiber in the intestine, and at the same time, it can supplement trace elements in the human body, increase the movement of the intestine, and achieve the effect of relaxing bowels. Plantain shell powder is a cold medicine. Soaking in water for a long time will lead to stomach cold, which has a slight stimulating effect on human stomach and intestines, and the cellulose inside can accelerate gastrointestinal peristalsis, so it is not suitable for patients with gastrointestinal problems.