Abdominal distension and constipation after chemotherapy is one of the common complications of tumor patients after chemotherapy, and its incidence rate is about 65438 05%, and the incidence rate of constipation after chemotherapy in patients with advanced malignant tumor is about 43%. Constipation can cause abdominal distension, abdominal pain and other discomfort, aggravate the pain of patients and affect the smooth progress of chemotherapy. Therefore, it is very important to prevent constipation after chemotherapy and restore gastrointestinal function as soon as possible to alleviate the pain of patients and ensure the smooth progress of chemotherapy. First of all, you can drink more water, at least 2000-3000 ml of boiled water every day. On the one hand, it can increase urine output, promote the discharge of chemotherapy toxins and reduce the toxic and side effects of chemotherapy. On the other hand, it can fully soften the stool and facilitate discharge. Then take a proper amount of laxative food such as honey, walnut kernel, black sesame and banana every day, and drink 200~400 ml of cold boiled water or alkaline electrolyzed water after getting up. Adhere to massage the abdomen, enhance intestinal peristalsis, and do some exercises such as lifting anus, sit-ups and reducing abdomen to enhance muscle strength. It should be noted that many people choose to eat vegetables containing crude fiber, such as celery and leek, but for patients with gastric cancer, vegetables rich in crude fiber can not be digested by these patients at all, which will increase the burden on the stomach, easily lead to abdominal distension and abdominal pain, and even cause symptoms such as gastric bleeding, nausea, vomiting and tarry stool. You can eat sweet potatoes, corn flour, exotic vegetables, bananas, pears, walnuts and so on. And can't drink strong tea, because a lot of tannic acid in strong tea will combine with protein, which will weaken gastrointestinal peristalsis, prolong the stay time of food residues in advocacy and aggravate constipation. If patients with gastric cancer want to drink tea, they can choose green tea, and the concentration should not be too high, because the antioxidant effect of green tea is beneficial to patients' recovery. However, it should be clear that diet therapy and exercise need long-term cooperation to be effective, but many times the body of tumor patients can not be ignored, and the treatment time is more important. Therefore, it is more important to strive for the best treatment in many aspects. Most of them can be avoided by combining professional anti-chemotherapy drugs, which is faster and more effective than diet therapy. Such as medical grade ganoderma lucidum spore powder and highly concentrated ganoderma lucidum preparation. It can cooperate with surgery, radiotherapy and chemotherapy to improve the toxic and side effects brought by traditional treatment methods and restore human immune function. And is safe without any toxic or side effects.