High heart rate and precordial pain during exercise should immediately stop activity, rest, and go to the hospital immediately. Increased heart rate and precordial pain during exercise cannot exclude pneumothorax, thoracoabdominal aortic coarctation, angina pectoris, acute myocardial infarction and other conditions. Thoracic pressure increases during exercise, some patients may have sudden pneumothorax or rupture of thoracoabdominal aortic coarctation; and the body’s demand for oxygen consumption increases during exercise, for patients with cardiovascular disease may occur in myocardial cells acute ischemia and hypoxia angina pectoris, acute myocardial infarction and so on. All of the above situations are emergencies, if the above situations occur, you should immediately stop the activity, rest, oxygen and immediately go to the hospital for examination to further clarify the cause of chest pain, according to the results of the comprehensive treatment.