Eating a lot but not defecating is considered to be constipation, gastrointestinal dysfunction, indigestion, etc. It can be relieved and treated by dietary adjustments such as increasing water intake, physical therapy such as massage, and taking drugs such as mosapride. 1. Dietary adjustments: increase water intake and pay attention to light diet; avoid spicy stimulation, greasy cold, indigestible food intake, such as peanuts, ice cream, spicy hot, strong tea, coffee, etc.; more fresh fruits and vegetables, such as apples, bananas, strawberries, celery, etc., and eat more dietary fiber-rich foods, such as sweet potatoes and other coarse grains. 2. Physiotherapy: Strengthen the exercise and local hot compress or massage, stimulate the gastrointestinal tract to promote gastrointestinal movement, so as to promote the excretion of feces. 3. medication: you can take cisapride, mosapride and other gastrointestinal stimulants, so as to promote gastrointestinal peristalsis, improve constipation and other symptoms; you can also choose to open the laxative, to help defecation. Eating a lot but not defecation, there are many other reasons, it is recommended to consult a doctor in order to clarify the diagnosis, targeted treatment. In addition, all of the above drugs should be taken under the guidance of a doctor, and should not be used without authorization.