Embodiments of the present disclosure provide a method and apparatus for training a lane line identifying model. The method includes: acquiring a first image of a lane line, the first image being generated using a generating model based on a second image of the lane line, the first image and the second image of the lane line being associated with different physical environments respectively; acquiring lane line information in the second image of the lane line; and training the lane line identifying model using the first image and the acquired lane line information of the lane line.