Positive Helicobacter pylori bacteria cannot be used to determine the severity of the disease, if there are no obvious symptoms are generally not serious; when the disease is not treated in time, it will be more serious, such as the development of gastric cancer. Positive H. pylori is a relatively common clinical symptom, and the infection can induce superficial gastritis, and in severe cases, can cause gastric ulcers, duodenal ulcers and gastric cancer. If the diagnosis is clear for Helicobacter pylori infection, it is usually treated with “four combination therapy”, the application of drugs such as metronidazole, amoxicillin capsules combined with omeprazole enteric-coated capsule, bismuth pectin and other treatments, and most of the patients can be effectively treated. When patients infected with Helicobacter pylori caused gastritis, untimely treatment will progress to cause gastric mucosal erosion, atrophy, resulting in gastric mucosal epithelial heterogeneous hyperplasia may ultimately lead to gastric cancer, the early stage of the need for gastrectomy and other treatments, relatively speaking, gastric cancer is a little more serious. Helicobacter pylori infection, it is recommended to go to the hospital in a timely manner, for examination, active treatment or treatment, to avoid aggravation of the condition of the organism causing serious harm, the above drugs need to be standardized under the guidance of a doctor, do not use private medication to avoid causing adverse effects.