There are several possible causes for neck pain in the back of the neck: first, cervical spondylosis, when cervical spondylosis compresses the nerve, the pain in the back of the neck can occur, then the relevant cervical spine X-ray, CT, nuclear magnetic examination for diagnosis, physical therapy of the neck, such as microwave physiotherapy and far-infrared physiotherapy, and oral medication, such as cervical rejuvenation pellets, or anti-inflammatory and pain-relieving drugs, such as meloxicam, celecoxib, and topical creams and fotarine ointment can be applied to help relieve pain. The second is shoulder disease, when the medial side of the scapula is painful as the first symptom and myofasciitis occurs, the pain at the back of the neck can appear, accompanied by shoulder discomfort and upper limb discomfort, then we should conduct relevant examinations and The diagnosis should be made by examination and physical examination to exclude other diseases, and early acupuncture, massage and physical therapy should be carried out in Chinese medicine.