Eat enough but have a feeling of empty stomach, may be due to eating too fast, may also be due to diabetes or digestive diseases. 1. Eating too fast: If you often eat food too fast, the stomach has reached saturation, food has not been digested and absorbed, blood glucose levels have not risen, there is no timely feedback to the brain, so the brain may determine that it is still in a hungry organism. 2. Diabetes: The common clinical manifestations of diabetes are excessive drinking, excessive eating, excessive urination, and weight loss, so it may be manifested as a state of fasting when you are clearly full. 3. Digestive diseases: If you suffer from gastritis, peptic ulcer and other digestive diseases, it may be due to abnormal secretion of gastric acid, intestinal dysfunction, easy to show that you are full but have a feeling of empty stomach. If you have a feeling of empty stomach even though you are full, it is recommended that you observe the situation closely, improve your eating habits, seek medical attention for any abnormalities, and follow the doctor’s instructions for symptomatic treatment.