The present disclosure provides a blocked information displaying method and system for use in an autonomous vehicle. The method comprises obtaining information about a road ahead the autonomous vehicle and information about a rear vehicle; determining road information blocked by the autonomous vehicle, according to a positional relationship between the autonomous vehicle and the rear vehicle; displaying the road information blocked by the autonomous vehicle to the rear vehicle. The present disclosure is used to solve problems in the prior art that the autonomous vehicle blocks road surface information and causes limitation to the field of vision of the rear vehicle, and that real-time display of the images of the road ahead the autonomous vehicle is prone to cause confusion, and can effectively improve the safety of the travel of the rear vehicle.