Safety display device and method for vehicles

The present invention discloses that the vehicle 2, as well as safety markings, which can reduce a car accident device how effectively ensuring the safety of a vehicle accident. According to the vehicle security display device the method disclosed, since it is possible to display the safety tripod by irradiating the beam to the rear from the incident vehicle operator is not getting off the accident vehicle, it is possible to quickly and easily secured to a rear clearance accident vehicle and, that when the vehicle enters the safety distance inside the display is irradiated with the beam by generating an alarm to the driver and rear of the internal accident car vehicle, to ensure safety for accident vehicle effectively, as well as significantly the secondary occurrence of accident It can be reduced.