Stomach acid is a common digestive symptom during pregnancy. The following are the main measures to address the symptoms of stomach acid during pregnancy: 1. Dietary intervention. Pregnant women should pay attention to adjust the diet structure and eating habits, do not eat spicy and stimulating food, sweet food and overly acidic food. Take care not to overeat, but to eat less and more, chew and swallow slowly. Do not lie down immediately after eating, you can rest in a semi-recumbent position or move your body appropriately. 2. If the symptoms of acidity are not well relieved by dietary intervention, you can take appropriate medication. Commonly used drugs such as aluminum thiosulfate tablets, magnesium aluminum carbonate tablets, these drugs can reduce the symptoms of stomach acid, but will not cause abnormal development of the baby.