Walking fast chest pain is mainly due to heart disease, heart disease mainly includes angina pectoris, arrhythmia, etc., and in serious cases may be a heart attack. When suffering from myocardial ischemia patients are prone to angina or heart attack, especially in walking will be significantly strengthened, chest pain is called exertional angina, the pain can be significantly relieved after rest, this phenomenon should be promptly to the hospital for related examinations. If necessary, a cardiac CT examination should be done to clearly determine the degree of stenosis of the blood vessels and accurately determine the situation of heart ischemia, and if necessary, medication should be taken. When walking too fast after exertion breathing acceleration will appear chest pain, timely to the hospital inside through the film examination can be clearly diagnosed.