Fast stomach digestion will easily feel hungry, faster gastrointestinal peristalsis, the body’s high metabolic rate, will easily feel hungry, may also be associated with hyperthyroidism, diabetes and so on. 1. fast gastrointestinal motility: a lot of exercise, resulting in faster gastrointestinal motility, food is quickly digested and absorbed, the body’s metabolic rate increases, the discharge of more waste, sweat, etc., the energy is overconsumed, the need for a lot of energy to maintain physical activity, easy to feel hungry, is generally a normal phenomenon. 2. Hyperthyroidism: thyroid hormone promotes sympathetic nerve excitation, body metabolism, accelerate the decomposition of fat, protein, sugar and other substances, resulting in increased calorie consumption of the body, easy to feel hungry, resulting in weight loss, increased eating, resulting in increased bowel movements and other symptoms. 3. Diabetes: With diabetes, the sugar in the food can not be fully utilized, the body’s energy is insufficient to stimulate the brain’s hunger center, easy to feel hungry, accompanied by panic, hand tremors, cold sweat and other symptoms. If you often feel hungry and accompanied by other uncomfortable symptoms, it is recommended to go to the hospital in time for examination, to clarify the cause of the disease, and active treatment.