Neck suddenly can not move a lot of pain may be related to neck muscle strain, neck disc herniation, pillow and other factors, it is recommended that patients go to the hospital as soon as possible, to clarify the cause of the disease, the cause of the treatment, to prevent misunderstanding of the condition. 1. Neck muscle strain: muscle strain may occur after violent contraction of the neck muscles, muscle strain microvascular rupture within the muscle fibers, the patient may experience neck pain, swelling, limited mobility and other symptoms, generally through cold compresses, brakes, analgesic drugs and other ways of treatment. 2. Cervical disc herniation: After the cervical disc herniation compresses the dural sac, patients often show symptoms such as neck muscle pain, stiffness, limited movement, etc. Patients can be treated by external fixation, surgery and other ways. 3. Pillow: patients with pillow inappropriateness and poor sleeping posture will also experience stiff neck muscles, neck pain and other symptoms, patients can take more rest to relieve the symptoms, but also follow the doctor’s instructions for oral ibuprofen, celecoxib and other non-steroidal anti-inflammatory drugs to relieve pain. It is recommended that patients seek medical attention as soon as possible, actively cooperate with the doctor’s treatment, and strictly prohibit the use of private medication to prevent adverse reactions.