The invention provides a card seat applied to a mobile terminal and the mobile terminal. The card seat comprises a card holder and a card removing mechanism which enables the card holder to move in the direction of going out of the mobile terminal casing body relative to the card holder. The card removing mechanism comprises an ejecting mechanism which carries out lever movement under the action of an external force to eject the card holder out of the mobile terminal casing body, and a button which abuts against one end of the ejecting mechanism. The external force is applied on the ejecting mechanism through the button. When the card seat is arranged on the mobile terminal, the button is arranged on the side wall of the mobile terminal casing body. According to the invention, when the card removing mechanism is used to remove the card holder, a thimble and other auxiliary tools are not needed, and opening the rear cover of a mobile phone is not needed; directly by pressing or sliding the button or pulling a handle, the card holder is removed; a SIM or a memory card which is placed on the card holder can be easily removed; and a user can conveniently use the SIM card or the memory card.