A light-transmitting assembly and a vehicle are provided in the disclosure. The light-transmitting assembly includes a light-transmitting substrate and a light source assembly. The light-transmitting substrate defines a mounting through-hole. The light source assembly is connected to the light-transmitting substrate and positioned at the mounting through-hole. The light source assembly includes a box, a lampshade, and a light-emitting element. The lampshade is detachably connected to the box. The lampshade and the box cooperatively define an accommodating space. The light-emitting element is received in the accommodating space. The light-transmitting assembly of the disclosure can be assembled and disassembled quickly and repeatedly, thereby realizing quick replacement of the light-emitting element.