Always hungry stomach can be divided into the following three causes: 1. Gastrointestinal dysfunction, resulting in abnormal function of the patient’s digestive system. Once this happens, even after eating, the stomach may also feel hungry frequently. 2. Diabetic patients may have the condition of feeling hungry all the time, and in addition to the symptoms of hunger in the stomach, there are also symptoms of excessive drinking, overeating, polyuria and weight loss. 3. Hyperthyroidism patients may also have the symptom of hunger all the time in the stomach. In addition to this, hyperthyroidism is also associated with panic, impatience and hand tremors. It is recommended that if you are always hungry, you must have a timely checkup to rule out the possibility of diabetes as quickly as possible. In conclusion, no matter which cause of always feeling hungry, it is important to go to the hospital to identify the cause and carry out uniform symptomatic treatment.