To provide an electric lock password unlock device having high crime prevention performance by constructing a door phone unit and a password number input unit in a two-stage structure.

The bottom of a door phone unit 7 adapted to call a master phone to make telephonic communication is superposed on the front of a password number input unit 5 having a password number input button 9 for unlocking an electric lock to form a two-stage structure. In the slide system, the password number input unit includes a slide rail 4 for sliding a door phone unit from the normal condition upward, a lower groove 3 for fixing the door phone unit at both ends of the slide rail in the position of the normal condition, and an upper groove 2 for fixing the door phone unit in the upper position. The door phone unit includes a hook 6 slid along the slide rail, and a hook projecting part 8 engaged with the lower groove and the upper groove of the slide rail. In a pinch door system, the password number input unit and the door phone unit include a hinge for opening the door phone unit like a door from the normal condition to expose the password number input button.