Gastric cancer surgery can be performed by total gastrectomy, proximal gastric or distal gastric resection, which has different degrees of impact on the digestion and absorption function of patients. The general principles of post-operative diet are gradual and orderly, eating less and more meals, chewing and swallowing slowly, quitting smoking and drinking, eating more fruits and vegetables and fresh meat, and not eating spicy and stimulating foods. Specifically in the early stage of surgery, firstly, low sugar, high protein, liquid food is used, 6 meals are taken daily, each meal starts from 30-40mL and gradually increases to 150-200mL per meal, and food is used such as chicken soup, fish soup or vegetable soup and rice soup mix. In addition, gradually transition to semi-liquid, still can take 6 meals a day, the main food can be used rice, porridge, bread, noodles, side dishes can be taken boiled eggs, lean minced meat, fish and shrimp, and less dregs of vegetables, fruit puree, vegetable puree, etc.. In the later stages of surgery, the main diet is soft rice, and you can also have 6 meals a day, avoiding thick soups and sugary drinks as much as possible.