Tightness of chest and shortness of breath will get better after exercise, which may be caused by vegetative nerve disorder, cardiac neurosis and so on. 1. Vegetative nerve disorder: usually due to long-term high mental tension, psychological pressure and other factors, will make the sympathetic and parasympathetic nerves between the balance of the imbalance of the situation, which will cause chest tightness, shortness of breath and other discomforts, in the exercise after the imbalance can be restored to the state, so that the related symptoms can be relieved. If necessary, you can follow the doctor’s advice to choose glutamine, vitamin B1 and other drugs for treatment. 2. Cardiac neurosis: usually due to emotional vulnerability, depression, introversion, genetic factors, excessive pressure, etc., resulting in the cardiovascular symptoms as the main manifestation of clinical syndromes. Usually cause chest tightness, shortness of breath and other discomforts, after exercise can effectively improve the stress and other factors, so that the symptoms can be relieved. If necessary, you can follow the doctor’s advice to choose metoprolol, propranolol and other drugs for treatment. Chest tightness and shortness of breath discomfort symptoms should be timely consultation cardiovascular internal medicine, after the doctor comprehensive assessment of the condition for symptomatic treatment.