The invention provides a quick positioning fastener, module thereof for the combination is on first object and can twist reverse lock joint second object person. It contains fixed unit, and it has the perforation, is arranged in first restriction portion, the second restriction portion and transition portion of perforation respectively, has the angle between first restriction portion and the second restriction portion, the lock joint unit, it has wears to arrange in fenestrate body portion, is located body portion for the restriction convex part or the concave part of activity between first restriction portion, second restriction portion and transition portion, and is located body portion one end and is used for the buckling part of lock joint second object, the control unit who connects the lock joint unit can be equipped with in addition, and the elastic component who pushes away the lock joint unit be used for pushing up. Therefore, the utility model discloses a fix a position fastener fast and combination, module thereof, the restriction convex part or the concave part that enable the lock joint unit be in first restriction portion, second restriction portion and the activity of transition portion, and the anchor that makes the buckling part lock joint or break away from the second object connects the hole.