A light source module including a first light guide plate, a first light source, a second light guide plate, a second light source, and a turning film is provided. The first light guide plate and the second light guide plate are sequentially stacked up. The second light guide plate is disposed between the first light guide plate and the turning film. The turning film has a plurality of prism columns, the prism columns face the second light guide plate. The first light guide plate includes a first light exiting surface, the first light exiting surface is located at a side facing the turning film and has a plurality of lenticular lens structures. The lenticular lens structures are arranged along a first direction and extended along a second direction perpendicular to the first direction. Besides, a display apparatus is also provided.