Abdominal distension after chemotherapy is one of the common complications of chemotherapy for tumor patients, the incidence of which is about 15%, mainly due to the weakening of gastrointestinal peristalsis caused by chemotherapeutic drugs. First of all, you can drink more water, at least 2,000-3,000 milliliters of plain water every day, to increase the volume of urine, to promote the body’s metabolite discharge, and at the same time can be sufficient to soften the stool, so that it is easy to discharge, and every day to take the appropriate amount of honey, walnuts, black sesame, bananas and other lubricating food to take. Eat less meat food, eat more vegetables and fruits, eat more crude fiber food, such as soybean sprouts, celery, leeks, garlic shoots, parsnips, peppers, bamboo shoots, asparagus, onions, mustard greens, etc., in order to promote gastrointestinal motility. Three meals a day should be regular, chewing and swallowing slowly, eating too fast is easy to enter the air, air in the body will also aggravate bloating. During bloating, patients should reduce the consumption of food that can easily create gas, such as turnips, potatoes, sugar, etc. These foods can produce gas in the stomach, which can lead to the aggravation of bloating; don’t eat food that is not easy to be digested, such as fried food, fast food, cheese, etc.; don’t eat stimulating food, such as chili peppers, green onions, garlic, etc.; don’t drink a lot of carbonated beverages, which contain gas that can aggravate abdominal bloating. If your appetite decreases during bloating, you can drink porridge appropriately, don’t force yourself to eat food. Do not drink strong tea, due to the large amount of tannic acid in strong tea will combine with protein, make the gastrointestinal tract peristalsis weakened, prolong the food residues in the gastrointestinal tract to stay. If you want to drink tea, you can choose green tea and the concentration should not be too high, because the antioxidant effect of green tea is conducive to the recovery of patients. Abdominal massage can be carried out, clockwise massage stomach, reduce the feeling of abdominal distension, while doing some anal lifting, sit-ups, abdominal exercises, in order to enhance muscle strength, promote gastrointestinal peristalsis. Radiation during radiotherapy exceeding the tolerated dose of gastrointestinal will cause radioactive gastroenteritis, especially radioactive small bowel inflammation, so that the local mucosa of the small intestine ulceration, necrosis and stenosis, abdominal distension can occur, this situation generally need the treatment of clinicians. After abdominal surgery, especially gastrointestinal surgery, patients can also experience abdominal distension, partly due to intestinal adhesions, and the symptoms are usually mild, and will disappear automatically with the passage of time without special treatment.