If you feel a little pain in the stomach after eating, you can take stomach medicines including acid inhibitors, gastric mucosa protection drugs and drugs to promote gastric power, such as omeprazole, aluminum thioglycollate, mosapride, etc., the drugs should be taken under the guidance of a doctor. The common causes of stomach pain after eating are eating too fast, stomach diseases, bile reflux and so on. 1. Eating too fast and eating too much at once puts a burden on the stomach. At this time, you can eat to help the stomach muscle peristalsis of the medicine, speed up the stomach emptying, such as mosapride, domperidone, etc.. 2. Suffer from chronic gastric diseases, such as gastric ulcer, pain after eating, generally regular and rhythmic, when the diet of stimulating food, ulcerated gastric mucosa is stimulated, can appear stomach pain discomfort, can take gastric mucosal protection drugs, such as aluminum thiosulfate, but also can take acid suppression, such as omeprazole and so on. 3. Burning in the upper part of the stomach after meals may be bile reflux, at this time you can take omeprazole to inhibit and reduce the secretion of gastric acid and so on. After diagnosing the cause of stomach pain, it is recommended to follow the doctor’s advice and regular treatment to avoid delays.