Always hungry after gastrointestinal polyp removal may be due to dietary factors, hyperthyroidism, diabetes and other reasons. 1. Dietary factors: after gastrointestinal polyp removal, in the early recovery period to eat more easily digestible, light food, such as millet porridge, vegetable soup, etc., protein food eat less, so always hungry. 2. Hyperthyroidism: excessive secretion of thyroxine leads to symptoms such as always hungry, sweaty and irritable after having gastrointestinal polyps removed. 3. Diabetes mellitus: due to unsatisfactory blood sugar control, symptoms such as hunger, wasting, drinking, urinating and thirst appear. If you are always hungry after gastrointestinal polyp removal, it is recommended to seek medical advice to identify the cause of the disease and treat it as soon as possible.