Regurgitation and nausea after eating may be related to lifestyle, early pregnancy reaction, gastrointestinal diseases and other factors.1. Lifestyle: Long-term dietary irregularities, cold at night and other reasons can cause indigestion and gastrointestinal dysfunction, causing the symptoms of regurgitation after eating. Generally can be adjusted through the lifestyle to alleviate the symptoms, such as pay attention to warmth, appropriate to increase exercise, diet pay attention to less and more meals, try to avoid spicy, greasy, cold, irritating food, quit smoking, alcohol, etc.. However, if the symptoms are heavy and not relieved after lifestyle adjustment, active medical consultation is needed to clarify whether there are other organic diseases; 2. early pregnancy reaction: women of childbearing age have early pregnancy reaction due to changes in hormone levels in the body after pregnancy, manifested as abdominal distension, nausea and vomiting, which should be confirmed by ultrasound examination at this time to avoid blind medication to damage fetal growth and development; 3. gastrointestinal diseases: gastritis, gastroesophageal reflux disease, ulcer disease and other digestive system diseases. Ulcer disease and other digestive system diseases, affecting the gastrointestinal function may cause regurgitation. Generally, omeprazole can be applied to inhibit gastric acid secretion, mosapride to promote gastrointestinal motility, and thioglycollate to protect the gastric mucosa, but when the symptoms are serious, you should seek medical attention in a timely manner and carry out targeted treatment after differential diagnosis through examination; 4, other diseases: such as pharyngitis, tumors, food poisoning, parasitic infections, liver or kidney diseases can also affect the function of the digestive tract, and the disease may initially manifest as loss of appetite, nausea, and weakness. With the development of the disease, the symptoms gradually worsen, it is recommended that timely consultation to the relevant departments to avoid delaying the disease.