Generally, a week after a car accident is a period of observation. If there are obvious fractures or bleeding from other organs after a car accident, the diagnosis can be clarified in the emergency examination, such as MRI or X-ray examination of the injured area, which can clarify whether there are local fractures or bleeding from organ rupture, which can be observed in time to avoid serious sequelae later. If other soft tissue injuries, or chronic bleeding in the head, it is recommended that the patient must be regularly observed, for example, the symptoms of local pain or functional limitations gradually improve within a week, without significant increase in the symptoms, and there is no significant improvement at this time, it is recommended that the patient timely MRI to determine the extent of soft tissue, especially ligament or tendon damage, if If the damage is more serious, surgery is needed in time.