Cable entry plugging structure with water level monitoring function

The utility model discloses a cable entry plugging structure with a water level monitoring function, which comprises two supporting plates, two pressing blocks, a plurality of first plugging bodies for cables with different diameters to pass through, a plurality of second plugging bodies for supplementary plugging and a monitoring assembly for acquiring water level height information in a cable trough, the two pressing blocks are both arranged in a gap between the two supporting plates, the two pressing blocks are located on the upper portion and the lower portion of the gap respectively, the left ends and the right ends of the two pressing blocks are detachably connected with the two supporting plates respectively, and through two electrode bars which extend towards the outside and are the same in height, the electrode bars are arranged in the gap, and the electrode bars are arranged in the gap. When the water level of the accumulated water reaches the height of the electrode bars and the two electrode bars