Waterproof structure of prefabricated cable well

The utility model discloses a waterproof structure of a prefabricated cable well, which belongs to the field of cable wells and comprises a well frame, mounting windows convenient for penetration and connection of cables are arranged on two sides of the well frame, and a well bottom plate and a well cover plate are mounted on the upper surface and the lower surface of the well frame respectively. The well bottom plate and the lower surface of the well frame are bonded through concrete, first connecting pipes are connected into the four corners of the well frame in a penetrating mode, a first intercepting frame is fixedly connected to the inner wall, close to the upper surface, of the well frame, a plurality of water inlet bent pipes are connected to the upper surface of the first intercepting frame in a penetrating mode, and the water inlet bent pipes are evenly distributed; the adjacent sides of the four first connecting pipes are all connected with second connecting pipes in a penetrating mode, and the four