The feeling of always being hungry may be a physiological state, or it may be a disease state such as hyperthyroidism or diabetes. 1. Physiological state: may be part of the people have gastrointestinal peristalsis is too fast or its for heavy manual labor. These two conditions will lead to the gastrointestinal tract for food digestion and absorption too fast, need to be constantly replenished, otherwise there will always be hunger. However, these conditions are normal and do not require treatment. 2. Hyperthyroidism: The basal metabolic rate increases and the sympathetic nerves are overexcited, which often causes panic, irritability, fear of heat, increased food intake and weight loss. This disease requires timely administration of drugs such as propylthiouracil or iodine therapy. 3. Diabetes mellitus: the typical symptoms are three more and one less, i.e. more drinking, more eating, more urination and weight loss. Insulin injection, metformin, acarbose and other drugs are needed for treatment. All of the above medications need to be taken under the guidance of a medical professional. Always having hunger pangs may also be caused by gastritis, gastric ulcer, etc. If any of the above situations occurs, please consult a doctor in time for reasonable and standardized diagnosis and treatment.