Chest pain is located below the neck and above the abdomen. The exact location of the chest pain is related to the type of disease, such as heart disease, chest wall disease and pleurisy can lead to different manifestations of chest pain. 1. Heart disease: such as myocardial infarction, angina pectoris and other lesions, can be manifested as retrosternal pain, but also anterior chest pain and left forearm medial involvement pain. 2. Chest wall diseases: chest pain caused by chest wall diseases is clearly localized, and there may be pressure pain; inflammatory lesions of chest wall may have the manifestation of local redness, swelling, heat and pain. 3. Pleurisy: it can cause severe pain on the affected side, mostly located near the mid-axillary line and anterior axillary line. There are many other diseases that cause chest pain, such as herpes zoster, costochondritis, rib fracture, spontaneous pneumothorax and pulmonary infarction, etc. Once the patient has chest pain, he should go to the hospital in time for examination, and he can do CT or X-ray examination to clarify the cause of the disease and be treated under the guidance of the doctor, and he should not underestimate the chest pain, so as not to have serious consequences.