There are many causes of chest pain, not only limited to three diseases, usually pleural, chest wall diseases and thoracic organ lesions can produce the performance of chest pain, which needs to be diagnosed with the patient’s medical history and auxiliary examination, and active treatment should be started as soon as possible under the guidance of the doctor. More common are the following diseases: 1, gastroesophageal reflux disease: abnormal function of the lower esophageal sphincter causes acid reflux, patients have acid reflux, heartburn, chest pain and other symptoms, need to take acid-suppressing drugs, such as omeprazole, ranitidine, etc., with gastric mucosal protective agents and other drugs; 2, pneumonia: pneumonia may lead to chest pain, such as bacterial, viral, mycoplasma infection of the lungs, need to target the pathogens for treatment. If there is fever, cough, coughing and other manifestations, it is also necessary to actively improve the symptoms, such as physical cooling, patting the back to drain the sputum, etc.; 3, angina: common in coronary heart disease, coronary atherosclerosis caused by insufficient blood supply, there are different degrees of angina, mostly manifested as retrosternal crushing, constrictive pain, can be confirmed by coronary angiography, according to the degree of vascular obstruction, choose to use drugs or surgical treatment; 4, breast hyperplasia The main symptomatic treatment is to take oral Chinese medicine, prolotherapy, and tamoxifen for obvious pain, and regular review. Antibiotic treatment can be given for bacterial infection. In addition, esophageal cancer, lung cancer, breast cancer, mediastinal tumors and other occupying lesions can also cause chest pain, as can cardiomyopathy, heart valve disease, pericardial disease, etc. Sometimes pain caused by lesions of the liver, gallbladder, pancreas and other abdominal organs can also radiate to the chest, so attention should be paid to differentiation.