The utility model provides a quick plug -in card device, including plug -in card mechanism, plug -in card mechanism gets into the movable panel who corresponds the draw -in groove including being arranged in corresponding card of fixation and top to push away it, it is defined as direction from top to bottom to push up the direction that pushes away in the corresponding draw -in groove of card entering with movable panel, the last sheath structure who is used for protecting the card that installs of movable panel, sheath structure has height and the parallel extension of width direction that is used for along corresponding card, two backplates of interval distribution both sides around the card in corresponding card thickness direction, two backplates remove the assembly along upper and lower direction and are in movable panel is last, and two backplates have being used for of arranging in opposite directions and corresponding card direction and remove complex direction side, the bottom of two backplates have be used for with draw -in groove roof pressure block complex roof pressure face. The backplate upwards the direction remove the in -process, the direction introduce corresponding draw -in groove with the card, guarantee the condition crooked, the rupture can not appear at the plug -in card in -process.