A very sore neck may be caused by cold, cervical spondylosis, falling pillows, etc. Patients can be relieved by changing bad habits, medication and surgery. 1. Cold: As the neck gets cold, it will make the neck tissues spasm and appear the phenomenon of sore neck. Patients should pay attention to keep the neck warm in normal times, often move the neck, and can relieve the symptoms of neck soreness through massage. 2. Cervical spondylosis: cervical degenerative discs, poor sitting posture can lead to cervical spondylosis, patients will appear the phenomenon of sore neck. Patients can use non-steroidal anti-inflammatory drugs such as ibuprofen and celecoxib under the guidance of the doctor, or the doctor can perform cervical spine surgery to relieve the symptoms. 3. Pillow fall: incorrect sleeping posture, muscle injury, etc. can lead to pillow fall, and patients will have the phenomenon of neck pain. Patients need to correct the bad sleeping posture, moderate exercise. You can also take painkillers such as diclofenac sodium extended-release capsules under the guidance of a doctor. When the patient has a very sore neck, it is recommended to consult a doctor for diagnosis and treatment.