The human body feels hungry, there should have been symptoms of hypoglycemia, there will be some dizziness, lack of energy, so this situation should be drawn blood glucose, if the blood glucose is lower than 3.0mmol / L, considering the existence of hypoglycemia, should be actively supplement sugar, but also should be checked for a glucose tolerance test, mainly to see if there is no problem with the function of their own pancreas. If there is pancreatic hyperfunction, choose to use some symptomatic drug treatment. Usually pay attention to the meal time is best to eat small meals, and usually should eat more nutritious food, such as eating some lean meat, eggs, effective supplementation of protein and fat, especially in the strenuous exercise to consume energy before, to ensure that you must eat enough, can not be empty stomach for strenuous activities.