Blow test for H. pylori is more accurate. There are three general methods for H. pylori testing: blow test, blood test, and gastroscopy. 1. Blow test: refers to carbon 13 urea and carbon 14 urea blow test, oral carbon 13 or carbon 14 enzyme liquid or capsule, after digestion and absorption in the stomach, and then blow, you can detect the real-time situation of H. pylori in the stomach, is a non-invasive detection method, the results are more accurate. It is a non-invasive test with accurate results. However, the carbon 14 breath test can cause radioactive contamination, and this test is not recommended for pregnant women and children. 2. Blood test: Blood test to check whether the H. pylori antibody is positive, but it can not be used as a basis for the results of H. pylori eradication, because even if H. pylori has been eradicated, the H. pylori antibody in the blood may still be positive, which is not conducive to the doctor’s judgment. 3. Gastroscopy: It is an invasive test in which tissue samples are extracted directly from the stomach or intestines for urease test, and the results are also very accurate. In daily life, if you often experience symptoms such as stomach acidity, bloating, belching (burping), nausea, loss of appetite, early satiety after meals, etc., it is recommended that you go to the hospital in time for H. pylori testing. If you are infected with H. pylori, you need to be actively treated with triple or quadruple therapy under the guidance of your doctor, so as not to develop gastritis, gastric ulcers, duodenal ulcers and other more serious diseases. You should pay attention to dietary hygiene in your life and promote sharing of meals and use of chopsticks to minimize the occurrence of infection.