A vehicle window shield has a body and an illumination device. The body has a protruding surface, a lip, a mounting hole and an adhesive layer. The adhesive layer is attached to the vehicle window frame. The illumination device in mounted inside the mounting hole in the body and connected to a corresponding turn signal of the vehicle. When vehicle window shield is used, the illumination device will light with the turn signal, and the assembly of the vehicle window shield is simple.