A positive test for H. pylori means that there is an infection with H. pylori. It is commonly seen in the following diseases: In the first case, simple H. pylori infection, some people have symptoms and some people have no symptoms. Patients with symptoms often have bad breath, bloating, acid reflux, and heartburn, and examination of the gastroscope shows no abnormalities. In the second case, the patient has gastric disease in addition to the infection and can have gastritis, gastric erosion or gastric ulcer after gastroscopy. After infection with H. pylori, H. pylori treatment is needed to remove H. pylori, commonly used methods are triple and quadruple therapy. Triple therapy, is an acid suppressant plus two anti-inflammatory drugs, and quadruple therapy is adding a bismuth agent on top of that.