Light eating is not necessarily a physical problem, may be caused by drugs, may also be indigestion, intestinal obstruction and other diseases, as well as intestinal adhesions and other diseases lead to. 1. drug factors: patients who often take antidepressant drugs in life, such as doxepin hydrochloride tablets, amitriptyline tablets, etc., will lead to patients with constipation adverse reactions, so the patient appeared to eat the phenomenon is not where the physical problems. 2. indigestion: indigestion is due to gastrointestinal dyskinesia, gastric diastolic decline and other factors, the patient will appear postprandial fullness, middle and upper abdominal pain, constipation and other symptoms. Therefore, when patients have the symptom of eating but not pulling, it is a problem of the gastrointestinal tract. 3. Intestinal obstruction:Intestinal obstruction is mainly caused by abdominal surgery, and the main symptoms of patients are abdominal pain, abdominal distension, and stop defecation. Therefore, when patients have the performance of eating but not pulling, it may be the intestinal tract has problems. 4. Other: intestinal adhesions, congenital megacolon and other diseases can also lead to the phenomenon of light eating without pooping. When the patient has the symptom of light eating and not pulling, it may be caused by medication and does not need treatment. If it is a disease that causes light eating and not pulling, the patient should consult a doctor in time and follow the doctor’s instructions for treatment.