There are very many reasons for back pain. The causes of back pain may include: 1. chronic diseases such as frozen shoulder and cervical spondylosis implicate back tissues and cause soreness and pain. 2, local muscle strain, injury, etc., such as recent high-intensity physical labor, frequent activities, etc., may induce local muscle injury. 3, Consider cardiopulmonary system lesions, such as coronary artery disease, angina pectoris, pneumonia, pleurisy and other lesions stimulation, resulting in back pain, while may be accompanied by chest tightness, breath-holding, coughing, coughing and other symptoms. 4. Digestive system lesions, such as cholecystitis, esophagitis, gastritis, etc., may be accompanied by symptoms such as acid reflux, belching, abdominal distention, diarrhea, etc. If the patient has pain in the back area all the time, there are many reasons for this phenomenon, such as the patient’s back will feel pain due to long-term chronic exertion, strain, trauma, cold and other factors, resulting in old damage to the back muscles. Some pains can be accurately diagnosed not only by the patient’s description of the pain site, so careful examination by the doctor, combined with a detailed medical history, is required to make a correct diagnosis.