Significant soreness in the left middle of the back, that is, the thoracic region, can be caused by a variety of reasons, commonly periarthritis and chronic strain related to the shoulder. It is more common in female patients, and there are obvious limitations in the movement of the upper limbs, and in severe cases, there are also difficulties in movement. Physical therapy, including local acupuncture, massage, moxibustion or electrocautery, can be used to reduce the patient’s discomfort, as well as the application of pain medication, and attention to rest and avoid strain. In addition, the occurrence of occupational lesions in the lung tissue, especially the involvement of the wall pleura, chest wall, the patient will have pain, and many patients are the main complaints of chest and back pain to the clinic, the occurrence of many reasons, smoking is the most common risk factors, need to be further combined with chest CT and other related tests, usually should pay attention to stay away from smoking, alcohol environment.