Bloating and pain after eating may be caused by improper diet, gastric diseases, pancreatic diseases, etc. 1. Improper diet: If you eat fast or eat too much gas-producing food during meals, such as sweet potatoes, potatoes, etc., it may lead to an increase in gastrointestinal gas, which may lead to stomach bloating and pain after eating a full stomach, frequent gas discharge and other symptoms. 2. Gastric diseases: If the patient suffers from gastric ulcer or chronic gastritis, under the stimulation of inflammation and the stimulation of food, it is easy to increase the secretion of gastric acid and indigestion, which will lead to bloating and pain after eating a full stomach. 3. Pancreatic disease: when the patient has chronic pancreatitis disease, may be eating too much high-fat food or drinking alcohol, will easily stimulate the pancreatic fluid and gastric acid secretion, so that the pancreas exudation aggravated, triggering the phenomenon of bloating pain after eating. There may be other reasons for bloating after eating, such as indigestion, gastrointestinal dysfunction, etc. It is recommended to go to the hospital, clarify the cause of the disease and follow the doctor’s instructions for treatment.