An extracting and installing structure for electrical device is disclosed, which comprises: a base for receiving an electrical device; a first chute; a linkage rod, configured with a first protrusion and capable of sliding inside the first chute in a first direction; and a rotatable tenon, configured with a second chute and an interlocking end as the second chute is provided for the first protrusion of the linkage rod to inset therein and the interlocking end is fitted inside an interlocking element of the base; wherein, when the linkage rod is driven to rotate the rotatable tenon, the rotatable tenon is going to force the electrical device to move in a second direction perpendicular to the first direction.