Playing badminton when you feel dizziness chest tightness and sweating, consider the possibility of hypoglycemic attack, cerebral ischemia, angina attack. 1. Hypoglycemia. Hypoglycemic attack will appear sweating, dizziness, hand shaking, unsteady, some will appear chest tightness, most common in diabetic patients or normal people for a long time did not eat, it is recommended to eat in time or replenishment of sugar water, the symptoms will be relieved. 2. Cerebral ischemia. Exercise is too large, sweating leads to a reduction in the effective circulation of blood, cerebral ischemia will cause dizziness, severe cases of vertigo, accompanied by chest tightness, nausea, vomiting, lying down after the symptoms will be relieved. 3. angina attack, coronary heart disease, diabetes, hypertension, people, too much exercise can lead to coronary artery ischemia, induced angina attack or myocardial infarction, there will be dizziness, chest tightness, cold sweats, part of the people with chest pain. Dizziness and chest tightness after exercise, sweating, after resting, eating the symptoms are not relieved, you need to immediately consult a doctor, improve the examination targeted treatment.