If you feel hungry just after eating, the most direct reason is due to the lowering of blood glucose concentration, resulting in lower blood glucose concentration, generally there are several kinds of reasons: first, blood glucose problems, human blood glucose concentration has a certain range, if the blood glucose concentration has been in the case of lower than normal concentration, is the case of hypoglycemia, performance is weaker, immunity is poorer, and often You will feel hungry. Second, because of poor digestive function, the intestines and stomach and other organs are not able to work normally and cannot completely transform food into the nutrients needed by the body, which leads to low blood sugar concentration in the blood and easy hunger. Third, because of the secretion of thyroid hormones caused by more, usually manifested as a very thin appearance, and very grumpy, this disease is commonly known as hyperthyroidism, will also make the body gradually thin, hunger often have, it is recommended to go to the hospital for appropriate examination to determine the cause of the disease, the right treatment.