Easy hunger means feeling hungry again after eating for a short while, and its symptom is overeating, mainly to exclude the performance of no hyperthyroidism, probably suffering from diabetes. The lack of energy needs to be replenished causing hyperphagia, increased food intake, and at the same time due to high blood sugar stimulates insulin secretion, so the patient is prone to hunger, hyperphagia, always have the feeling of not being full, even eat five or six times a day, the main food up to 1 ~ 1.5 kg, side dishes also significantly more than normal people, still can not meet the appetite. Etiology: Diabetic patients are easily hungry because of the loss of large amounts of urine sugar, such as the loss of more than 500 grams of sugar per day, the body is in a semi-starvation state, the lack of energy needs to be supplemented to cause hyperphagia, increased food intake. At the same time, because high blood sugar stimulates insulin secretion, so the patient is prone to hunger, hyperphagia, always have the feeling of not being full, and even eat five or six times a day, the main food up to 1 ~ 1.5 kg, side dishes are also significantly more than normal people, but still can not meet the appetite.