There are many causes of chest and back pain, including localized myofasciitis, cervical spondylosis, heart disease, lung disease, etc. In a few cases, it may be caused by a tumor. Patients are advised to seek medical attention in a timely manner to clarify the cause of the pain, and then carry out symptomatic treatment for the cause as well as the symptoms. 1, local myofasciitis: the thoracic back has the rhomboid, rhomboid, upper posterior serratus and erector spinae muscles, etc. When these muscles are overused after strain, inflammation can occur, followed by pain in the thoracic back; 2, tension of the myofascial in the anterior thoracic region: the anterior thoracic region has the pectoralis major, pectoralis minor, sternocostalis or anterior sternocostalis fascia; modern people spend a long time looking at the cell phone with the head down and chest, or ambulating work, which can easily cause shortening of these soft tissues, followed by 3.Cervical spondylosis: modern people’s lifestyle and work style are prone to cervical spine pathology, when the small joints of the cervical spine become diseased, it can cause thoracic back involvement pain through the mechanism of nerve reflexes; 4.Scapular dorsal nerve entrapment syndrome: if the lateral oblique muscles of the neck become tense, they can compress the scapular dorsal nerve around them, and the scapular dorsal nerve innervates rhomboid muscle and scapular raphe, followed by the pain of these two muscles; 5, trauma: patients with trauma, sports injuries or overexertion, resulting in thoracic back muscle, soft tissue injury, will cause more intense pain; 6, heart disease: such as acute heart attack, angina pectoris, can appear external chest pain, accompanied by a sense of pressure in the forehead, the sense of dying; 7, lung disease: such as lung infection, pleurisy, and even lung tumors, can lead to pain in the patient’s chest and back without a cause, accompanied by cough and fever, etc.; 8. Gastrointestinal diseases: such as esophageal hiatal hernia, reflux esophagitis, esophageal cancer outgrowth, etc.