Iron tablets are taken during pregnancy mainly to treat and prevent iron deficiency anemia during pregnancy. After taking iron tablets, it will have a certain stimulating effect on the mucous membrane of the gastrointestinal tract and may cause symptoms of stomach acidity, stomach pain and stomach distension. For this situation: 1. If iron deficiency anemia is serious and iron supplements are taken, it is recommended to try to take iron supplements about half an hour after meals, which can effectively relieve the stimulating effect on the gastrointestinal tract. 2. If iron deficiency anemia is not very serious and after taking iron supplements If the symptoms of gastrointestinal discomfort are obvious, then you can correct iron deficiency anemia by means of dietary therapy. Animal liver, blood tofu, and various lean meats are very rich in iron, and eating these foods in moderation every day during pregnancy can effectively prevent and treat iron deficiency anemia during pregnancy.