How good it is to exercise in the morning on an empty stomach varies from person to person. For special people is not advocated in the morning fasting exercise, such as patients with peptic ulcer, the morning will often appear epigastric pain, there will be hunger pain, night pain, this time if you go to exercise, but may aggravate the epigastric discomfort. The pain is relieved after eating and then go to exercise, which helps the health of the body. There are also patients with diabetes, diabetes blood sugar may have certain fluctuations, some patients fasting blood sugar may be low, this time exercise may also induce hypoglycemia. So diabetic patients, also do not advocate morning fasting exercise. For special people, such as hypertension, coronary heart disease patients, we should pay attention to the cold weather in winter, also do not advocate the fasting out exercise. Because of the cold weather, the morning may stimulate further vasoconstriction, and may also induce coronary heart disease attacks. For different people, the recommendations are different, especially for people with special diseases, do not exercise in the morning on an empty stomach.