Compared with traditional evidence, electronic evidence has distinct characteristics, regardless of the way of preserve, propagation and perception, Electronic evidence could not exist without electronic equipment and media, and extremely easy be tampered or destroyed without discovery. 同传统证据相比,电子证据有着鲜明的特色,无论是在保存、传播还是感知方式上,这种证据都同电子设备、电子介质时刻不可分离,而且极易受到难以察觉的篡改或破坏。