The amount of food always feel full: 1, may be hyperthyroidism, excessive release of thyroid hormones, resulting in hyperfunction of the body and abnormal excitement of nerves, resulting in a continuous hunger, it is recommended to check the level of thyroid hormones in the hospital, if it is a mild hyperthyroidism, you can take oral methimazole and other drugs, if more serious, it is recommended to go to the hospital for surgery. 2, diabetic patients will also have this symptom, when blood sugar The patient must control the amount of food, do not overeat. 3, there may also be a problem with the kidneys, the blood circulation of nutrients can not enter normally, so the body lacks nutrients to produce hunger, it is recommended that patients go to the hospital to do renal function tests to confirm the cause of the disease, so as not to delay the disease.