Open back back pain is considered to be the cause of touching the tense fascia, spasmodic muscle strips, misalignment of small spinal joints, etc., which needs to be analyzed specifically. 1. Fascial tension: some patients may experience aseptic inflammation in the fascial area after their backs have been cooled, resulting in localized fascial tension and restricted movement. When opening the back, the patient will experience pain due to pressure on it. 2. Muscle spasm: if the patient’s back is cold or long-term bad posture, it will lead to long-term spasm of the local muscles of the back. If the spastic muscle strips are touched when opening the back, the patient will experience pain. 3. Misalignment of small joints of the spine: patients with long-term sitting or standing posture is incorrect, such as hunching, bowing, stooping, etc., may cause disorders and misalignments of small joints of the spine. At this time to open the back, if you touch the lesion will appear obvious pain symptoms. When the symptoms of open back pain, it is recommended that patients seek timely medical attention to confirm the cause of the disease, under the guidance of the doctor for targeted treatment.