The invention discloses a card base assembly. The card base assembly comprises a shell, a card support and an elastic assembly; a through hole is formed in the shell; the interior of the shell is connected to the exterior of the shell through the through hole; a first fixed groove is formed in the inner wall of the through hole; the card support comprises a tray, a baffle and a first sliding block; the baffle is fixedly connected with the tray; a first sliding groove is formed in the baffle; the first sliding groove extends from the side surface of the baffle to the interior of the baffle; thefirst sliding block is glidingly mounted in the first sliding groove; the elastic assembly is accommodated in the shell; when the tray extends into the interior of the shell, the elastic assembly props against the tray; the first sliding groove is aligned to the first fixed groove; and the first sliding block partially slides out of the first sliding groove and is clamped to the interior of the first fixed groove. By virtue of the card base assembly, a card can be taken out conveniently. The invention also discloses electronic equipment.