Stiff neck should be alert to cervical spondylosis, falling pillows, bad habits and so on. When the stiff neck discomfort, the most common cause is cervical spondylosis, cervical spondylosis is clearly characterized by stiff neck, uncomfortable pain, a feeling of soreness and swelling and inflexible neck activities, turning the neck, there is a clicking sound, can cause dizziness, vomiting, hand numbness and other symptoms. Second is falling pillow, manifested as acute simple neck stiffness, pain, limited movement, often associated with poor sleep posture. As it lasts for a long time, it can cause disorders of neck muscles, ligaments and joints, resulting in neck muscle tension, which leads to neck stiffness. There is also the fact that certain long-term bad habits in daily life and work are also causes of stiff neck and shoulders, aches and pains, such as typing work, often long hours of reading or playing mahjong, etc., so that the neck muscles are affected by these habits for a long time, resulting in the head protruding forward, disrupting the normal posture and causing stiff neck pain. Stiff neck may also have other causes, when there is a stiff neck, first of all should go to the hospital for a detailed examination, X-ray film or CT film, in order to determine the cause of the disease. According to the results of the examination, under the guidance of professional doctors to deal with.