Chest tightness first needs to be clearly diagnosed, such as coronary heart disease, chronic obstructive pulmonary disease, anemia, etc. Treatment of the cause can quickly relieve. 1. Coronary heart disease: insufficient blood and oxygen supply to the heart due to coronary artery stenosis and occlusion leads to chest tightness and shortness of breath. Drug treatment is the basis for controlling the condition of coronary heart disease, commonly used drugs are anti-platelet aggregation, anti-myocardial ischemia drugs, such as aspirin, clopidogrel, safflower yellow injection, etc. Severe cases need surgical treatment, such as the main bypass grafting of coronary artery, percutaneous coronary intervention. 2. Chronic and congestive lung disease: due to ventilation dysfunction leading to chest tightness symptoms, episodes of ipratropium bromide, glucocorticosteroid nebulizer inhalation under the guidance of the doctor to improve the symptoms, as well as under the guidance of the doctor’s anti-infective treatment, such as ceftriaxone, cefepime and so on. 3. anemia: need to find the cause of anemia as soon as possible, such as nutritional anemia, can be treated by supplementing the lack of nutrients. Including, for example, iron deficiency anemia iron supplementation and treatment of the primary disease leading to iron deficiency; megaloblastic anemia supplementation of folic acid or vitamin B12. It is recommended that patients with chest tightness consult a doctor in time to identify the cause and standardize the treatment under the doctor’s guidance.