Gastric nodules are related to long-term intake of irritating foods, Helicobacter pylori infection, gastric cancer and other factors. Diet often eat irritating food, will cause irritation to the mucosa of gastric disease, which will lead to long-term inflammation on the gastric mucosa, and even cause abnormal hyperplasia phenomenon of local tissues, which will appear gastric nodules. Helicobacter pylori is an anaerobic bacterium, when the stomach is infected by Helicobacter pylori, it is easy to suffer from gastritis, gastric ulcer and other diseases, and the long-term existence of the disease will lead to abnormal hyperplasia in the gastric tissues, and thus gastric nodules will appear. Gastric cancer is a malignant tumor disease, which will lead to bulging and hyperplasia of gastric mucosa, and at the same time, it will also affect the function of the stomach. Patients with gastric cancer disease should undergo surgical treatment as early as possible after diagnosis, in order to avoid the impact on health.