A positive C13 breath test of 30.2 bpm indicates the presence of H. pylori infection, and its value does not indicate the severity of the infection. C13 breath test is mainly used to detect Helicobacter pylori, its normal value range is 0~4bpm, the test result is greater than 4bpm that is positive, indicating that there is Helicobacter pylori infection. It is not true that the higher the value of H. pylori test result, the more serious the infection, the high value only suggests that the patient’s body of H. pylori activity is strong, but H. pylori activity is not proportional to the severity of H. pylori caused by the gastric mucosa related diseases. H. pylori is a kind of bacteria closely related to gastric cancer, once the diagnosis of H. pylori infection, it needs to be treated in time, and the more commonly used treatment is quadruple therapy, including a proton pump inhibitor, a bismuth agent and two antibiotics, such as omeprazole, bismuth pectin, roxithromycin, metronidazole or rabeprazole, bismuth potassium citrate, amoxicillin, tinidazole, and so on. When the C13 breath test test is positive, you must actively cooperate with your doctor for standardized treatment to avoid the progression of the disease.