If the cervical spine area is due to local hyperplasia, degeneration, cold, aseptic inflammatory lesions, resulting in a sense of pain, you can use salt hot compresses, hot compresses can immediately play a role, because the heat compress when the blood circulation accelerates, the temperature of muscle tissue increases and becomes relaxed, which helps to relieve the cervical spine area of inflammatory stimulation, so it can be immediately effective, generally about 20 minutes of hot compresses can achieve the best results. But for the cervical spine area with infection or trauma resulting in significant local bruising, it is not recommended to use salt for hot compresses, because it may lead to local vasodilation, injury aggravation, will lead to bruising, swelling more obvious, may also lead to the spread of local infection lesions, resulting in aggravation of the disease. In the cervical spine with salt hot compress at the same time also pay attention to the relaxation of the cervical spine area, low head time can not be too long, sleep pillow can not be too high, and must pay attention to the cervical spine warmth, do not get cold.