A sudden increase in appetite and feeling hungry all the time may be a physiological factor, which is normal and does not need to be treated. It may also be a disease factor, mostly considered to be duodenal ulcer, diabetes, hyperthyroidism caused, it is recommended to promptly go to the hospital for examination and treatment after clarifying the cause. Common causes and treatment: a. Physiological factors: emotions in a state of excitement, increased brain activity, increased exercise and other factors that can promote the body’s metabolism, resulting in a large increase in appetite, always feel hungry. In addition, women’s consumption increases during pregnancy, resulting in a sudden increase in appetite and feeling hungry all the time. The above is a normal physiological situation, no special treatment. Second, disease factors: 1, duodenal ulcer: the main feature is hunger pain, because people will secrete a lot of gastric juice when hungry, gastric acid will stimulate the ulcer wound causing pain, but after eating the pain can be relieved, so it will lead to the patient performance suddenly increased appetite and old feeling hungry. The main treatment is medication, you can take omeprazole to inhibit the secretion of gastric acid as prescribed by the doctor, and you can also combine with mucosal protective agents, such as aluminum sulfate, to improve the quality of ulcer healing. 2, diabetes: the main symptom is a large increase in appetite, easy to produce hunger, accompanied by symptoms such as excessive drinking, polyuria and wasting. Treatment mainly includes education for diabetic patients, self-monitoring of blood sugar, diet therapy, exercise therapy and medication, and insulin is commonly used for medication; 3, hyperthyroidism: mainly because the thyroid gland produces too much hormone, which will speed up the body’s metabolism, resulting in a large increase in appetite and hunger, accompanied by panic and chest tightness. It is recommended to seek immediate medical attention and follow medical advice to use anti-thyroid medication, such as methimazole tablets, propylthiouracil tablets, and if necessary, radioactive iodine treatment and surgery.