Helicobacter pylori, which almost everyone has, is parasitic in the pylorus of the stomach and is sometimes spiral and sometimes rod-shaped, hence the name Helicobacter. This bacteria can easily lead to gastritis, gastric ulcer, and even gastric cancer, so if infected with H. pylori need anti-H. pylori drug treatment. The reason for the infection: 1, themselves may have H. pylori, when the diet is not careful or intestinal peristalsis has inflammatory stimulation, bacteria will multiply, resulting in H. pylori overload. 2, other family members or often in a piece of people eat a dish, the same use of a tableware, can be spread through the fecal mouth leading to infection. 3, some patients who often do not pay attention to the diet The infection can also occur if some patients are not careful with their diet or eat unclean food, and some bacteria spread the infection.