A positive C14 breath test indicates the presence of Helicobacter pylori infection. The C14 breath test is used to check for the presence of Helicobacter pylori infection. a C14 breath test with a value greater than 100 dpm is considered positive, suggesting the presence of Helicobacter pylori infection, and depending on the value of the test, a positive C14 breath test can be classified as a mild to moderate to severe infection. In the presence of H. pylori infection, it is necessary to consider the treatment of H. pylori eradication with quadruple therapy under the guidance of a doctor, i.e., a bismuth agent, a proton pump inhibitor in combination with two antibiotics, such as clarithromycin, amoxicillin in combination with bismuth potassium citrate, and omeprazole. It is recommended to go to the hospital when there is a positive C14 breath test and cooperate with the doctor for active treatment.