The pain in the back tendon is mainly caused by the following reasons: 1) The pain is induced by the injury of the soft tissues in the back area; 2) The pain is mostly caused by the inflammation of the back muscle fibers; 3) The pain in the back tendon is also induced by the rhomboid myositis, supraspinatus ligamentitis, and scapulothoracic myositis, etc. The cause is mainly due to the prolonged tension or pulling state of the muscles and tendons in daily life, which causes local edema, oozing, and tearing. This cause is mainly due to the daily life of the muscles, tendons and fascia, long time in a tense state or pull state, and then caused by strain or tear, causing local edema, oozing and induced the emergence of aseptic inflammation. After the occurrence of this situation, the patient can be appropriate first with a warm towel for local hot compresses, as well as oral some non-steroidal anti-inflammatory drugs to relieve.