Those who experience dizziness, lightheadedness or headache during exercise sometimes appear alone, but more often are accompanied by symptoms such as pallor, weakness of the limbs, excessive sweating, nausea, or even vomiting. When these symptoms become apparent they are often forced to stop exercising. The causes of dizziness, lightheadedness or headache when exercising are generally the following: 1. Lack of exercise in intense exercise. The usual dizziness or headache, along with pale face, shortness of breath, nausea, vomiting, muscle cramps and other symptoms. This is the response of the functional level of the organism’s call organs can not adapt to the needs of intense exercise. Poor respiratory rhythm makes the body appear oxygen deficient, and dizziness can also occur. Sometimes premature participation in intense exercise after illness, participation in exercise after fatigue or participation in exercise or competition under insufficient sleep eyes can cause a series of symptoms such as faintness, dizziness and headache. It should be raised that the original in the exercise does not appear dizziness, weakness and other symptoms of people, and now these symptoms, accompanied by loss of appetite, poor sleep eyes, shortness of breath, sweating, increased blood pressure (blood pressure food) and sports performance decline and other phenomena, it should be alarmed. 2, the performance of insufficient body heat. When dizziness, dizziness and other symptoms occur after a period of exercise or exercise near the end, especially in the external temperature is too high or too cold conditions when these symptoms, the cause may be related to insufficient body heat, blood sugar (blood sugar food) content is reduced. So in a hungry state to participate in a long workout is prone to dizziness, weakness, sweating, etc. is this reason. 3, caused by some diseases. People suffering from chronic rhinitis, sinusitis, inner ear disease, anemia, hypertension, can experience dizziness, lightheadedness or headache during exercise. In adolescents, especially female adolescents (adolescent food), when dizziness, pallor, panic and other symptoms occur during exercise, it is often associated with low hematocrit. For symptoms such as dizziness and lightheadedness caused by such causes, the main thing is to actively treat the primary disease in order to eliminate the cause at the root. From the causes described above, it can be seen that these common symptoms that occur during exercise can be prevented. The principles of prevention and treatment methods are: 1, strengthen the overall physical exercise. Many examples show that many people have dizziness and other symptoms often associated with weakness, lack of comprehensive physical exercise. Therefore, strengthening the body’s overall exercise is an important factor in prevention. 2, make preparatory activities and finishing exercises. Preparation activities are adequate to avoid dizziness and headaches brought about by intense exercise. After the finishing exercise well, can avoid the symptoms that occur due to the sudden stop. 3, to ensure that the body is supplied with sufficient heat. Before a long period of exercise or competition, sufficient sugar-containing apparatus should be taken to avoid symptoms such as dizziness and lightheadedness caused by insufficient calories. 4.Timely detection and treatment of excessive fatigue.