Display module and display screen

A display screen, comprising:

• a first cabinet;
• a second cabinet;
• and
• a display module, comprising:
• a first frame having a first attachment surface and a first assembly surface, an included angle between the first attachment surface and the first assembly surface being less than 90°;
• a locking rod movably provided on the first frame;
• a second frame having a second attachment surface and a second assembly surface, an included angle between the second attachment surface and the second assembly surface being less than 90°, the second assembly surface being parallel to the first assembly surface;
• and
• a locking piece provided on the second frame and having a locking hole matched with the locking rod;
• wherein an edge of the first cabinet is provided with a first inclined surface, an edge of the second cabinet is provided with a second inclined surface, the first frame is provided on the first cabinet, the first attachment surface is attached to the first inclined surface, the second frame is provided on the second cabinet, and the second attachment surface is attached to the second inclined surface.