A card storage box is disclosed. The card storage box includes a housing having a cavity, where the housing is provided with an opening at a top, a clamping plate is slidably connected to a side wall of the housing and partially extends out of the opening, a card pushing member is rotatably connected to the housing and positioned at a bottom of the cavity. The card storage box further includes a cover body, where the cover body is rotatably connected to the housing, and the cover body can cover the opening. A limiting groove is provided in an inner wall of the cover body, when the cover body covers the housing, the clamping plate is clamped with the limiting groove, and the clamping plate abuts against a groove wall of the limiting groove to limit a rotation of the cover body.