The pain on both sides of the back of the neck: 1, prolonged head down, prolonged exposure to the phone or computer, excessive repetition of a certain action, the neck is cold, will lead to repeated stretching and contraction of the soft tissues on both sides of the back of the neck, local edema, congestion, resulting in the formation of sterile inflammation, resulting in local muscle strain, will cause the symptoms of pain on both sides of the back of the neck. 2, there is also the exclusion of any local lesions, such as local septic infectious diseases or local tumor occupying lesions on both sides of the neck. The actual painful symptoms will be caused by the local soft tissue damage and changes in the internal environment. 3. Pain. If the injury is serious, it is likely to be accompanied by a cervical fracture or even dislocation, so you need to actively improve the relevant examination to clarify the specific degree of injury and choose a reasonable treatment.