Diet for stomach cancer is very important. The stomach is the main digestive organ of people, and food usually reaches the stomach first, then digested and absorbed to provide nutrition to the body. Because of this direct relationship between stomach and diet, stomach cancer has higher dietary requirements compared with other cancers, and there are more dietary considerations for stomach cancer. Families of patients should pay attention to the diet of gastric cancer, and scientific diet of gastric cancer has far-reaching significance to the prognosis. (1) Avoid smoking and alcohol in the diet of stomach cancer. (2) Avoid spicy stimulation, such as onion, garlic, ginger, pepper, chili, cinnamon, etc. (3) Avoid moldy, polluted, hard, rough, multi-fiber, greasy, sticky and indigestible foods in the diet of stomach cancer. (4) Avoid frying, deep-frying, smoking, pickling and raw food for stomach cancer. (5) Avoid overeating and hard food for stomach cancer. (1) The diet of stomach cancer is suitable for foods that enhance immunity and anti-stomach cancer, such as yam, lentil, barley, rhizome, enoki, mushroom, mushroom, sunflower seed, kiwi, fig, apple, sardine, honey, pigeon egg, milk, pig liver, sandworm, monkey head mushroom, abalone, needlefish, sea cucumber, oyster, squid, shark, tiger fish, yellow fish bladder, seahorse, snapper. (2) The diet of stomach cancer should include more highly nutritious foods to prevent and control cachexia, such as oyster chicken, pigeon, quail, beef, pork, rabbit, egg, duck, tempeh, tofu, silver carp, grass carp, swordfish, pond lice, mackerel, yellowtail, squid, crucian carp, eel, pangolin, pomfret, loach, shrimp, tamari, pig liver, sturgeon. (3) Nausea and vomiting of stomach cancer are recommended in the diet of Ulva, pomelo, orange, loquat, corn, walnut, rose, poppy, fig, ginger, lotus root, pear, winter vegetable, mango, umeboshi, lotus seeds, etc.