Disclosed is an anti-leakage liquid storage device for electronic cigarette, including a cylindrical liquid storage cup, at least two locking members arranged at an inner wall of a liquid outlet end of the liquid storage cup, a liquid percolation piece having a plurality of liquid percolation holes and having a circular edge which engages with an internal circumferential surface of the liquid outlet end of the liquid storage cup, and a filter piece with one side thereof abutting against the liquid percolation piece； wherein the other side of the filter piece abuts against an annular pressing plate, the annular pressing plate has a circular edge which engages with the internal circumferential surface of the liquid outlet end； the annular pressing plate is locked by the at least two locking members and tightly presses the filter piece and the liquid percolation piece.
