I believe we have all heard of the disease gastritis, and many people with poor gastrointestinal function have found out that they actually have gastritis after they have been examined. The dangers of gastritis are great and can cause a variety of diseases, and the causes of gastritis itself are complex. So what are the dangers of gastritis? The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things. Third, anemia: many people should not think, in fact, gastritis is likely to cause anemia, we suffer from chronic gastritis after a lot of blood loss, there will be two kinds of anemia: megaloblastic anemia, that is, pernicious anemia. At this time the patient will have dizziness, weakness, palpitations and pallor. Iron deficiency anemia. One is caused by chronic blood loss; the other is caused by chronic gastritis patients eating less and not having enough nutrition. Fourth, pre-cancerous gastric cancer: According to the International Health Organization, in areas with a high incidence of gastric cancer, the average incidence of gastric cancer is 10% after 10-20 years of follow-up, and their developmental vein is: superficial gastritis – chronic gastritis – intestinal hyperplasia or atypical hyperplasia – gastric cancer. The carcinogenesis of chronic gastritis is closely related to gastric inflammatory hyperplasia. There is a condition in which chronic gastritis is prone to cancer: chronic gastritis with pernicious anemia has a cancer rate more than 20 times higher than other gastrointestinal diseases, which should be taken seriously by gastroenterology patients.