Eating enough or still hungry, may be due to improper eating methods, dietary factors, etc., may also be caused by diseases, mainly including hyperthyroidism, diabetes, tumors and other factors. 1. Improper eating: Eating loudly and noisily may result in swallowing too much gas leading to a feeling of fullness, but due to the small amount of food eaten, there will still be a feeling of hunger. Drinking too much carbonated beverages or too much gas-producing food while eating can also cause an increase in gas in the stomach and intestines, resulting in a feeling of fullness or hunger. 2. Dietary factors: vegetables contain more dietary fiber, can promote gastrointestinal peristalsis, if the diet is mainly vegetables, the digestion and absorption of food faster, there will be a full or hungry phenomenon. 3. Hyperthyroidism: Hyperthyroidism is a high metabolic disease, patients through high metabolism, consume a lot of energy, appeared to eat full or hungry. 4. Diabetes mellitus: Diabetes mellitus patients have abnormal pancreatic islet function, which leads to abnormal energy consumption, thus easy to appear hungry after eating. 5. Tumor: Tumor cells are malignant consuming cells, which consume a lot of energy to promote their own growth. Generally, patients with tumors are prone to hunger, and they are still thin after consuming a lot of food. In addition, there may be other reasons why you are still hungry after eating a lot of food. It is recommended that you go to the hospital in time to improve the examination and clarify the cause of the disease, and then give targeted treatment or therapy under the guidance of the doctor.