事故证据是指交通事故处理人员依照一定程序收集的,同时确定交通事故真实情况的一切客观存在的事实。事故处理人员或事故当事人都需了解哪些证据才是有效的。物证:能够证明事故真实情况的一切物品和痕迹,比如车辆、散落物、碰撞刮擦蹭搓痕迹、制动痕迹、血迹等。在无法提取原物时,可用照相、绘图、现场记录等保全。书证:能够证明交通事故发生情况的文学材料, 以其记载的内容起证明作用的。如驾驶证证明驾驶 Accident evidence refers to the traffic accident handler in accordance with certain procedures collected at the same time to determine the real situation of traffic accidents, all the facts that exist objectively. The accident handler or the accident victim needs to know which evidence is valid. Physical evidence: to prove the true situation of the accident all the items and traces, such as vehicles, scattered objects, scratches rub scratches, brake traces, blood and so on. Can not extract the original, available photography, drawing, on-site records and other preservation. Documentary evidence: to prove that the accident occurred in the literary material, with its contents documented to prove the role. Such as driver’s license certificate driving