Powdered milk is not recommended before going to bed with a bad stomach. Patients with poor stomach and intestines should not eat before bedtime, not to mention drinking milk powder, milk and other dairy products. Because dairy products contain a large amount of protein, fat and calcium ions will increase the gastrointestinal tract digestive burden, promote gastric acid secretion, especially drinking on an empty stomach may trigger diarrhea, abdominal pain and other uncomfortable symptoms. Patients with gastrointestinal problems need to pay attention to the dietary structure, avoid stimulating foods; adjust eating habits, avoid overeating; adjust emotions, avoid anxiety and depression. If necessary, according to the situation under the guidance of a doctor. For patients with gastrointestinal problems, it is recommended that they be guided by a doctor for dietary adjustments and medication.