Paper-plastic packaging bag with opening convenient to open

The utility model discloses a paper-plastic packaging bag with an opening convenient to open, and relates to the technical field of paper-plastic packaging bags. The bag comprises a bag body, a shaping frame is bonded between the periphery of the top of the bag body, a sliding way is formed in one side of the shaping frame, the lower portion of the sliding way in the shaping frame is not bonded with the bag body, a guide rail is fixedly connected to one side of the shaping frame, the sliding way is located in the middle of the guide rail, and a sliding box is connected between the two sides of the guide rail in a sliding mode. A sliding plate is slidably connected between the two sides of the sliding box, a cutter is fixedly connected to one side of the sliding plate, and a plurality of springs are fixedly connected to the side, away from the cutter, of the sliding plate. When the bag body is opened, only the cutting knife needs to slide, then one side of the bag body is cut open, material pouring is facilita