People with poor stomach and intestines can eat fish in moderation, but need to pay attention to the cooking method, need to be mainly stewed, avoid raw food, greasy and spicy stimulation. The meat of fish is tender and tasty, rich in protein and high in nutritional value. The fat content of fish is low and can be easily digested and absorbed by the body. Fish is also rich in vitamins, minerals, inorganic salts and a variety of fatty acids, which can effectively prevent cardiovascular diseases, strengthen the brain, nerve tissue and retina, and help maintain the balance of minerals in the human body. The consumption of fish can also enhance immunity and reduce the recurrence of gastrointestinal diseases. When consuming fish, it should be noted that the amount of fish consumed at one time should not be too large, and can be divided into several times. Try to slaughter live fish, avoid eating fish that have been dead for too long, and do not eat raw fish, which can easily stimulate the stomach. In addition, in order to prevent fish allergy, you can eat a small amount first, and then increase the amount of food after there is no obvious discomfort. In addition, patients with poor gastrointestinal function need to pay attention to avoid overeating, try to eat small amounts of meals, mainly light diet, you can eat some millet porridge, pumpkin porridge, lean pork porridge, fresh vegetables and fruits, avoid spicy and alcoholic stimulation. Pay attention to rest and ensure a good mental state to promote early physical recovery.