Feeling bloated and full after eating can be caused by dietary reasons, weakened gastric motility or gastric diseases. 1. Dietary reasons: Eating too fast causes a lot of gas to be brought into the stomach, or due to consuming too much food that is easy to ferment and produce gas, may cause excessive gas in the stomach, resulting in symptoms such as bloating and fullness of the stomach. 2. Weakened gastric power: consuming a large amount of food in a short period of time or food that is not easy to digest, resulting in an excessive digestive burden on the gastrointestinal tract and insufficient gastric power, resulting in indigestion, which can also produce the feeling of bloating and fullness of the stomach. 3. Stomach diseases: chronic inflammation of the stomach, gastroesophageal reflux disease, gastric ulcer and other stomach diseases, can appear bloating and other manifestations, but also accompanied by stomach acid, belching, stomach pain and other manifestations. Feeling bloated after eating may also be liver, gallbladder and pancreatic diseases, incomplete intestinal obstruction, as well as diabetes, electrolyte disorders and other diseases, frequent symptoms of bloating and fullness of the stomach after meals, if you exclude dietary reasons, you should seek medical attention as soon as possible, to clarify the diagnosis.