Gastric cancer patients can consume mutton appropriately if they do not feel sick. Gastric cancer is one of the more common cancers of various malignant tumors, mostly originated from epithelial cells of gastric mucosa, and patients may have different degrees of epigastric pain, vomiting of blood, black stools, and weight loss, etc. Lamb is warm and rich in protein, minerals and other microelements. Mutton is warm in nature and rich in protein, minerals and other trace elements. For gastric cancer patients, if there is no vomiting of blood, severe abdominal pain and other digestive discomfort symptoms, they can consume mutton appropriately, and it will not produce obvious effects. However, if the patient’s own digestive ability decreases significantly and symptoms such as indigestion, gastric bleeding and vomiting occur, it is generally not recommended to consume mutton. It is recommended that stomach cancer patients strictly follow the dietary advice prescribed by doctors according to their own conditions.