Chest tightness, breathlessness, mainly consider the following conditions. 1, firstly, consider patients suffering from heart disease, such as coronary heart disease, angina pectoris, cardiac insufficiency, cardiomyopathy, valvular heart disease, patients will have varying degrees of chest tightness, shortness of breath, breathlessness, especially after activity breathing difficulty is obvious, some patients may even have nighttime paroxysmal dyspnea. 2, secondly, consider respiratory system diseases, such as The patient will have a long-term history of smoking and environmental exposure, a history of chronic cough, cough sputum, accompanied by chest tightness, shortness of breath, dyspnea, this time to pursue the patient’s past medical history can be a clear diagnosis. 3, the patient is not an organic disease, mostly seen functional, often seen in some young patients due to long-term poor rest, work stress, emotional stress. The symptoms of chest tightness and shortness of breath can occur due to long-term rest, stressful work and emotional tension, and this time the main thing is to give psychological guidance.