Neck and shoulder stiffness can lead to cervical spondylosis, frozen shoulder, drop pillow, small spinal joint disorders, kyphosis, fibromyalgia, cervical osteoarthritis, unstable cervical strain, vertebral fracture, spinal cord injury and other diseases, which are due to degeneration of the musculature of the neck and shoulder, combined with chronic strain, involving the muscles, fascia, bone joints, joints of the neck and shoulder. The disease is caused by the degeneration of the musculature of the neck and shoulder and the degeneration of the shoulder musculature. This can affect the spinal cord, vertebral artery, nerves and sympathetic nerves in the corresponding segment of the neck, resulting in congestion, edema and restricted movement of the surrounding tissues. According to Chinese medicine, stiffness in the neck and shoulder area can lead to deficiency of liver and kidney, lack of qi and blood, loss of nourishment of tendons and bones, wind, cold and dampness, taking advantage of the deficiency, paralyzing the meridians and veins, leading to muscle condensation, local pain, unfavorable activities, and poor running of qi and blood for a long time, loss of nourishment of tendons and bones, and muscle atrophy.