A backlight module, comprising: a back panel; a film material disposed above the back panel, the film material comprising a bending portion; and at least one film material fixing structure provided on at least one side of the back panel and fixing the bending portion of the film material to the back panel. The backlight module solves the problem of being unable to position a film material due to narrow frames when fixing the film material in a direction perpendicular to the film material. Embodiments of the present disclosure further provide a display device.