Frequent hunger is considered to be related to the amount of food, activity level, diabetes, hyperthyroidism and other causes. 1. Diet: When the human body often eats some low-calorie food or eat less, it is easy to lead to insufficient supply of nutrients in the body to cause frequent hunger symptoms; 2. Activity: for long-term heavy laborers or athletes, physical exertion can lead to insufficient supply of energy in the body, leading to frequent symptoms of hunger; 3. Diabetes: during the onset of diabetes, patients can be affected by elevated blood glucose concentration of various nutrients into the tissue cells, triggering frequent hunger symptoms. During the onset of diabetes, patients are prone to fatigue, thirst, excessive drinking, urination, polyphagia and emaciation and other clinical manifestations; 4. Hyperthyroidism: Hyperthyroidism can lead to increased levels of thyroxine in the body, which can further increase the body’s basal metabolic rate. When the body’s basal metabolic rate rises, the body’s energy consumption rate is too fast can also trigger frequent hunger symptoms. Some of these symptoms include irritability, flushing, excessive sweating, panic attacks, thickening of the neck, and protruding eyeballs. In addition, a duodenal bulb ulcer may also cause frequent hunger pangs. It is advisable to seek medical advice and under the supervision of a doctor to conduct tests to determine the cause and treatment of frequent hunger.