1.Life conditioning Patients should pay attention to conforming to the four seasons of climate change, living in a disciplined manner, living in a good environment and combining work and rest to maintain the balance of the body’s internal environment, which is conducive to improving their resistance to diseases and avoiding the occurrence of other diseases. 2.Dietary conditioning Postoperative patients with gastric cancer should pay attention to dietary conditioning, and should give sufficient protein, carbohydrate, vitamin and calorie intake. Pay attention to the color, aroma, taste and shape of food to enhance appetite while ensuring nutritious and easy-to-digest food, and should, ensure nutrition; to improve the body’s ability to resist disease. Patients eat small amounts and many meals, avoid eating a lot of sweet food to prevent dumping syndrome. The loss of control of the pyloric sphincter after the removal of most of the stomach makes the food enter the jejunum too quickly. Food containing more sugar, failed to mix by gastrointestinal fluid and quickly enter the jejunum, in a short period of time to make hypertonic food into isotonic, a large amount of extracellular fluid sucked into the intestinal cavity, causing a temporary reduction in blood volume; prevention methods: lying down for 10 to 20 minutes after eating can control or reduce the symptoms; adjust the diet, eat more protein, fatty foods, reduce the intake of carbohydrates, so that they gradually adapt. 3, mental conditioning The so-called “three taboos and one diligent” method of self-care is also an important reason for the improvement and stability of the disease. One avoid losing will, that is, the disease to be full of confidence, do not take drugs indiscriminately, in the diet do not have too much taboo mouth, as long as you want to eat, after eating no discomfort, can be allowed to eat in moderation, so that patients treat themselves as normal people, lift the mental depression, too much taboo mouth, will cause a mental burden. Second avoid fatigue. Third, avoid worrying. Excessive fatigue, an important cause of cancer recurrence and metastasis, fatigue makes the righteousness damaged and worrying makes the qi and blood not smooth, both will affect the resistance of the organism. Seek medical attention regularly, that is, any local discomfort and disorder will affect the overall change over time. Therefore, even if the symptoms are not related to the cancer site, you should seek medical treatment as early as possible to eliminate the disease in time, without delay or hardening. These points of health care are not only for tumor patients, but also for people with other chronic diseases. Self-care and health maintenance is also an important guarantee for effective recovery. 4.Dietary taboos for stomach cancer patients: (1) Avoid smoking and alcohol. (2) Avoid spicy and irritating food, such as onion, garlic, ginger, pepper, chili, cinnamon, etc. (3) Avoid mold, pollution, hard, rough, multi-fiber, greasy, sticky and indigestible food. (4) Avoid frying, deep-frying, smoking, pickling, raw food. (5) Avoid overeating, hard and fast.