A plug-wire type lampholder comprises an acting body having a set of slots formed in the acting body and provided for installing a wire clamping plate separately, and the wire clamping plate has at least one end bent to form two into movable plates, and each slot has two notches and different notches are separated with an interval apart, so that when the wire clamping plate is installed into the slot, the movable plates remain in different corresponding notches respectively, and in different notches the same slot are provided for plugging bare ends of different electric wires respectively to achieve an electric conduction, so as to facilitate connecting lamps of different plug-wire type lampholders into a lamp string quickly.