If it is a protruding skeletal structure on the posterior side of the human cervical spine, these structures are the normal structures of the cervical spine, the spinous processes on the posterior side of the cervical vertebrae, which are continuous and arranged section by section above the cervical spine when the body maintains a head-down motion, and which are raised on the skin surface of the cervical spine. If it is around the normal bone structure of the cervical spine and there is a visible swelling in the soft tissue, one should consider whether it is a localized cyst that causes a visible lump on top of the cervical spine. Cysts are one of the soft tissue swellings that often appear in the cervical spine, and when the local swelling is touched it will feel hard, and pushing the local with the fingers can cause the swelling to appear to move slightly. In addition to the obvious symptoms of swelling and protrusion, there are usually no symptoms of obvious local pain, and there may be local soreness and swelling. Once a more obvious lump appears on the cervical spine, CT or local ultrasound examination of the cervical spine can be performed, which can roughly clarify the nature of the local swelling.