Hypoglycemia in normal people may be related to reasons such as eating too little, too much exercise and functional hypoglycemia. 1. Eating too little: it is the more common reason, such as long-term irregular meals, or excessive dieting in pursuit of ideal body shape, reducing the intake of carbohydrates, resulting in insufficient blood sugar in the body and hypoglycemia. 2. Excessive exercise: Normal people with excessive exercise, such as marathon, mountain climbing, etc., consume a lot of energy and induce hypoglycemia. 3. Functional hypoglycemia: It can be seen in the case of drinking a lot of alcohol. As alcohol is metabolized in the liver, it will block the breakdown of liver glycogen into glucose, which will also lead to hypoglycemia. When hypoglycemia occurs, it is recommended to follow the doctor’s instructions to carry out relevant examinations, clarify the cause with the help of the doctor, and carry out targeted treatment or therapy.