Whether the treatment of Helicobacter pylori must need to take medication for 15 days, need to be based on their own condition, under the guidance of the doctor, usually only need to take 10 to 14 days. Helicobacter pylori is a gram-negative spiral-shaped bacterium that resides in the epithelium of the human gastric mucosa, and has a highly active urease enzyme that can break down urea to produce ammonia, forming a protective layer around the bacterium so it can survive in acidic gastric juices. Treatment of Helicobacter pylori clinically generally recommended quadruple use, the application of proton pump inhibitors, bismuth and two antibiotics, such as lansoprazole enteric capsules, bismuth citrate potassium capsules, amoxicillin capsules, clarithromycin dispersible tablets, the general use of drugs need to be 10 to 14 days, less than 10 days there is a possibility that can not be completely eradicate Helicobacter pylori, resulting in ineffective treatment. Generally, it is necessary to review about 1 month after stopping the drug to check the effect of the treatment of H. pylori infection and whether there is any adverse effect on the body. Patients infected with H. pylori need to pay attention to their diet, try to choose a diet rich in vitamins, proteins and easy to digest, avoid spicy stimulation, greasy, smoky food. Drugs need to be used under the guidance of a professional physician, do not self-medication.