The present invention relates to a card mounting apparatus and belongs to the card mounting field. Wherein the card mounting device comprises a card tray, a card lock device and a connector, the card lock device including a fastener and a control button, the connector including a card socket leaf spring, And the card tray is returned from the compressed state to a normal state, and the card tray is returned to the first state through the case of the card lock device After moving from the hole to the inside, the card socket lap spring is compressed to a compressed state in a steady state, and the lock between the fastener and the card tray is put into a locked state. The present invention can solve the problem of complicated replacement work when replacing a terminal card having a battery that can not be detached with a push pin, thereby achieving the effect of improving the replacement efficiency of the card.
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