Nausea in patients with advanced stage bowel cancer is mainly caused by tumor implantation, metastasis or distant metastasis in the abdominal cavity, and at the same time, it may lead to the disorder of the patient’s gastrointestinal tract function, and the patient will experience nausea and may even vomit, etc. Because the patient’s bowel cancer is in advanced stage, it means that distant metastasis has occurred, such as liver metastasis or lung metastasis, and at the same time there may be peritoneal implantation metastasis or many cancer nodes in the abdominal cavity, etc. The patient will have gastrointestinal tract dysfunction or slowed down gastrointestinal peristalsis and incomplete bowel obstruction symptoms. Some patients will experience nausea, some will experience vomiting, and of course, some patients will experience abdominal pain, abdominal distension, ascites, and at the same time, anal discharge and defecation may also be reduced. If the patient’s nausea is more serious, eating may be reduced and nutrition will become worse and worse.