Generally, one week after a car accident is an observation period. Because after the car accident, if there is obvious fracture or other organs bleeding situation, this can be in the emergency examination of a clear diagnosis, such as can be carried out on the injured part of the magnetic resonance or X-ray examination, can be clear local fracture, or organs rupture bleeding situation, this can be observed in time, to avoid leading to the late emergence of serious sequelae. If other soft tissue injuries, or chronic bleeding in the head, then it is recommended that the patient must be regularly observed, such as the symptoms of local pain or functional limitations within a week gradually improved, without significant aggravation, then there is no significant improvement, it is recommended that the patient timely magnetic resonance examination to determine the extent of the affected soft tissue, especially ligament or tendon damage, if the If the damage is more serious, then timely surgery is needed.