Neck sprain needs to be judged according to the size of violence, clinical symptoms, physical examination and other circumstances to determine whether to film. 1. Violence factor: If the violence is small and the sprain is not obvious, it will not cause serious consequences, so it can be temporarily observed without filming; if the violence is very large and the sprain is serious, it is necessary to take a film, such as X-ray, CT, MRI, etc., to determine whether there is atlantoaxial dislocation or fracture and other abnormalities. 2. Clinical symptoms: if the patient does not have obvious pain and other discomforts after sprain, or activity obstacles, there is usually no serious problem, and can not take pictures for the time being; if the pain is serious, or cervical spine activity is seriously limited, or even accompanied by dizziness, neurological symptoms, vomiting, etc., it is necessary to consult the doctor in a timely manner, and carry out the film examination and improve the various tests. 3. Physical examination: patients can consult the orthopedic department or spine department, firstly, through the doctor’s examination preliminary judgment, if the doctor’s systematic examination did not find obvious abnormalities, can be observed conservatively; if you consider the fracture, subluxation or ligament and other injuries, you need to carry out imaging tests. Neck sprain needs to go to the hospital in a timely manner, under the guidance of the doctor’s comprehensive assessment, according to the medical history, physical examination results of comprehensive judgment.