The causes of bloating after meals include gastrointestinal diseases, improper diet, and poor mood, etc. Treatments such as emotional adjustment and oral medication can be used according to the cause. 1. Gastrointestinal diseases: (1) improve eating habits: gastritis, gastric ulcer, etc. can cause indigestion, symptoms such as postprandial fullness, at this time, you need to eat small meals, eat more light and easy to digest food, such as vegetables, fruits, etc., it is not advisable to eat more greasy fat, fried food, etc.. (2) medication: patients with gastritis or peptic ulcer infected with Helicobacter pylori need to take medication such as omeprazole, bismuth potassium citrate, amoxicillin and clarithromycin. 2. Improper diet: eating too much or eating too much indigestible food, such as fatty meat, peanuts, etc., can also lead to bloating after meals, it is recommended to eat more easy-to-digest vegetables and fruits and avoid overeating. 3. Poor mood: sadness, anxiety, anger and other bad emotions can lead to irritable bowel syndrome, bloating after meals, diarrhea and other symptoms, so you need to maintain a good state of mind, so as to improve the symptoms. There are many other causes of postprandial bloating, such as improper diet, abdominal cold, etc. All of the above medications need to be administered under the guidance of a doctor. If the feeling of fullness and bloating after meals is serious, or the symptoms persist for several days without improvement, you should go to the hospital in time for treatment.