The disclosure provides a display module and a mobile terminal, and the display module includes a liquid crystal panel and a backlight module, wherein the backlight module includes: a light guiding plate including a light incidence surface and a light exit surface, wherein protruding ridges which are light transmitting members are arranged at edges of the light exit surface; a set of optical sheets arranged on the light exit surface of the light guiding plate and engaged between the protruding ridges; and a light source arranged opposite to the light incidence surface, wherein the liquid crystal panel is arranged on the side of the set of optical sheets away from the light exit surface, and the liquid crystal panel is arranged to cover the surfaces of the protruding ridges.