After eating the stomach upset should be adjusted according to the cause, the common causes include chronic gastritis, chronic cholecystitis, improper diet, etc., should be clear in time, under the guidance of the doctor for targeted regulation. 1. Chronic gastritis: chronic gastritis may lead to upset stomach after eating, need to be adjusted according to the cause, for example, due to Helicobacter pylori infection caused by chronic gastritis, you can follow the doctor’s instructions to use medication, such as the joint use of amoxicillin, clarithromycin, omeprazole, aluminum sulfate and other drugs treatment. 2. Chronic cholecystitis: chronic cholecystitis can also cause gastric discomfort after eating, no obvious symptoms can be regularly reviewed, do not take treatment measures; if the combination of gallbladder stones, can consider surgical treatment. 3. Improper diet: irregular diet, overeating, or like to eat cold, stimulating, spicy food, can also lead to upset stomach after eating. In this case, you should regulate your diet, eat on time and according to the amount of food, and reasonably match your diet, eat more easily digestible food, reduce cold, stimulating, spicy food, so as not to cause stomach discomfort. There are many reasons for upset stomach after eating, and those with serious symptoms should seek medical attention to identify the cause and actively pursue treatment to avoid aggravation of the condition.