Card holder and electronic device

An electronic device, comprising:

• a device body provided with a card holder slot in which a limiting rib is disposed;
• and
• a card holder disposed in the card holder slot, comprising:
• a card holder body,
• a card holder cap disposed on one side of the card holder body, and
• force application pieces configured to apply a force to the card holder cap towards the card holder body, wherein the card holder cap is movably connected with the card holder body;
• and the force application pieces enable the card holder cap to remain close to the card holder body;
• and
• a limiting surface is disposed on the card holder cap;
• the limiting surface is abutted against the limiting rib such that an outer wall surface of a side wall of the card holder cap is flush with a surface of the device body;
• and a shape of the outer wall surface of the side wall of the card holder cap is adapted with a shape of an opening of the card holder slot.