Many patients experience bloating after chemotherapy for many reasons, the most common of which is drug-related. For example, many chemotherapy drugs can inhibit intestinal peristalsis, which slows down intestinal peristalsis and causes bloating. Antiemetic drugs, such as toltestrone, can inhibit the peristalsis of the intestine and cause abdominal distension. As patients are bedridden during chemotherapy, they are less active in bed, resulting in slower intestinal motility and abdominal distension. There is also bloating due to congestion and edema of the mucosa of the gastrointestinal tract caused by chemotherapy drugs and reduced digestion of food. There are many clinical causes, and we use different treatment measures according to different situations, such as getting patients out of bed as much as possible to promote intestinal movement. Eat some easily digestible and light food, and if necessary, take some oral laxative medication. We should let the patient rub the abdomen appropriately to promote intestinal peristalsis, through a combination of measures to minimize the occurrence of abdominal flatulence.