Locking structure for mobile phone card slot

The invention discloses a locking structure for a mobile phone card slot. The locking structure comprises a card slot, a card tray, a slot, a first elastic device, a second elastic device, a controller, a judgment device, a lever structure, a sensor and a fingerprint identifier, wherein the controller is located beside the slot and is connected with the slot, and a telescopic board is arranged onthe controller; the controller and the judgment device are connected with each other; the judgment device is connected with the fingerprint identifier; the elastic device is arranged in the slot, oneend of the elastic device is connected with a mobile phone shell, and the other end of the elastic device is connected with a baffle; one end of the lever structure is located in the slot and is in contact with the telescopic board, the other end of the lever structure is connected to the bottom of the card slot, and the center of the lever structure is connected with a mobile phone bottom shell;the one end of the second e