Difficulty in stomach during pregnancy may be due to early pregnancy reaction, poor diet, gastrointestinal tract pressure, combined gastric diseases, etc., which need to be treated with medication or lifestyle changes. 1. Early pregnancy reaction: If you experience stomach discomfort with nausea, vomiting, loss of appetite, aversion to oil and grease in the early stages of pregnancy, it is very likely to be an early pregnancy reaction caused by elevated levels of HCG (human chorionic gonadotropin) in the body. You can eat smaller meals, take vitamins and folic acid supplements, and if necessary, take medication under a doctor’s supervision. 2. Poor dietary habits: During pregnancy, pregnant women are in poor physical condition, and poor dietary habits such as overeating and eating a lot of spicy, greasy and irritating foods are likely to cause gastrointestinal disorders and lead to gastric symptoms. At this time, you need to eat a healthy diet, ensure adequate and balanced nutrition, avoid eating stimulating food, and if necessary, you can take domperidone, mosapride and other drugs. 3. Gastrointestinal tract pressure: In the middle and late stages of pregnancy, due to the development of the fetus, the uterus continues to increase in size, the neighboring rectum, bladder, stomach and other organs of pressure, so there will be difficult to stomach. Symptoms can be improved by eating smaller meals and moderate exercise. 4. Combined gastric diseases: Difficulty in stomach during pregnancy may also be combined with chronic gastritis, gastric ulcer and other gastric diseases, which can be treated by taking medicines such as omeprazole, ranitidine and bismuth pectin. In addition, the specific use of the above drugs should be under the guidance of a doctor.