After pregnancy, Helicobacter pylori infection, accompanied by stomach pain and acidity, if the symptoms are mild, no special treatment, if the symptoms are more serious, you can use medication under the guidance of a medical professional. 1. Mild symptoms: If the pregnant woman only shows mild digestive symptoms, stomach pain and acid reflux can be tolerated, it is recommended to observe first without special treatment. 2. Serious symptoms: If pregnant women experience more serious symptoms such as stomach pain and acid reflux, they can take magnesium aluminum carbonate orally under the guidance of a professional physician. Because the effect of magnesium aluminum carbonate on the fetus is relatively small, so pregnant women can be used. The specific eradication program should be standardized according to the specific condition after the patient stops breastfeeding. The above drugs should be used under the guidance of a professional physician, and it is recommended to consult a doctor in time for early treatment under the guidance of a professional physician if the above situation occurs.