Fast hunger every day may be related to the following factors: first, whether because they eat too little, but need more calories, such as increased exercise or other work caused by the intake of serious shortage, so appear hungry fast. Second, whether there are some diseases of the digestive tract, such as excessive secretion of gastric acid, peptic ulcers, etc., due to excessive acid secretion will often appear hungry quickly, and even the patient will appear acid reflux, heartburn and so on. Third, may be metabolic diseases, such as whether the patient has diabetes or hyperthyroidism, etc., will lead to enhanced metabolism will also be easy to appear often hungry fast, and weight loss and other such adverse reactions. Therefore, if there is frequent fast hunger, even with weight loss, it is recommended that the patient should go to the hospital, by the doctor to further clarify his diagnosis based on the symptoms.