Stomach cancer is a common and dangerous disease, which is extremely harmful. According to relevant research experts, the causes of stomach cancer are closely related to dietary habits, so we should pay more attention to the rationality of diet in our daily diet. Pickles contain a large amount of nitrite and secondary amines, which can synthesize nitrosamines in the right amount of acidity in the stomach and the action of bacteria. 2.Less smoked and fried food Smoked fish and meat contain a lot of carcinogenic substances, and burnt food in frying and baking and reused high-temperature cooking oil also contain such carcinogenic substances, so try to eat less. 3.Can’t eat moldy food Moldy food is often produced in daily life due to inattention, mold is caused by contaminating mold, and the toxic fungus in mold is a very strong carcinogenic substance. 4.Cultivate good eating habits If you do not eat regularly and quantitatively, but overeat or consume too hot food, it is a damaging stimulus to the stomach, which has a certain relationship with the occurrence of stomach cancer, and the intake of large amount of salt and boredom when eating are also related to stomach cancer. 5.Take more vitamins, eat more foods with vitamins and add protein to protect the gastric mucosa. 6.Pay attention to drinking water safety The water we drink must be regular tap water, and in rural areas, well water should be used as much as possible. Atrophic gastritis is closely related to gastric cancer, which is a precancerous lesion and accounts for ten percent of gastric cancer due to ulcer malignancy. People who usually suffer from atrophic gastritis, gastric ulcer, pernicious anemia must often big oh hospital examination and treatment to eliminate pre-cancerous lesions and prevent the occurrence of cancer.