Back Light Module and Display Device

Provided is a backlight module. The backlight module comprises a plate, a light source module, a light guide plate and a stop part. The plate comprises a first bearing part, a second bearing part andan extending part. The first bearing part comprises a first side and a second side. The second bearing part protrudes from the first side. The extending part outwardly extends from the second side. The light source module is arranged on the second bearing part. The light guide plate is arranged on the first bearing part. The stop part comprises a body, a fixing part, a limiting part and a stop part. The body is located on the first bearing part. The first surface of the body contacts the second bearing part. The fixing part extends towards the bottom surface of the body and is assembled with the first bearing part in a uniaxial direction. The corner of the light guide plate is abutted against the stop part. Along the direction parallel to the second side of the plate, the width of the stoppart is larger than that