The invention discloses a paper winding device provided with an inclined lifting mechanism. The paper winding device comprises the inclined lifting mechanism which comprises a supporting frame, a movable trolley, a material platform and a traction mechanism for driving the movable trolley to move, wherein the supporting frame comprises a guide rail which is horizontally arranged; one end of the guide rail is fixedly connected with a first lifting rope and a second lifting rope; the movable trolley operates on the guide rail; a first slide wheel and a second slide wheel are connected on the movable trolley; the material platform is positioned below the movable trolley; the first lifting rope horizontally extends, gets across the first slide wheel and is connected with the material platform; the second lifting rope horizontally extends, gets across the second slide wheel and is connected with the material platform; and the traction mechanism is positioned at the other end of the guide rail. The paper winding device improves material lifting efficiency.