Chest pain with obvious chest tightness and shortness of breath is seen in many causes, for example, patients with spontaneous pneumothorax will suddenly show chest pain, progressive aggravation, accompanied by chest tightness, shortness of breath, aggravation after activity, and in severe cases, dyspnea. In young people most of them are caused by the rupture of pulmonary blisters, especially in patients with thin and tall body type; for elderly people there should be a history of chronic obstructive pulmonary disease, and usually there is also recurrent coughing and wheezing, etc. If necessary, they need to choose surgical treatment. In addition, some patients are caused by heart diseases, for example, patients with myocardial ischemia will show obvious pain in the precordial region, accompanied by chest tightness, palpitations with activity, shortness of breath, and also obvious changes in blood pressure as well as heart rate. Patients should pay attention to a low-salt, low-fat diet, regular monitoring of ECG changes, and systematic treatment, including the application of anti-platelet drugs and drugs to control heart rate and blood pressure.