Water polo waterproof lamp holder structure

The utility model relates to a water polo waterproof lamp holder structure which mainly comprises a water polo, a lamp holder, a waterproof cover and a lampshade, the water polo is filled with liquid, the bottom of the water polo is provided with an insertion hole, the waterproof cover is arranged at the top of the lamp holder in a light-permeable covering mode, and a closed waterproof space is defined by the waterproof cover and the lamp holder. At least one light-emitting assembly is arranged in the waterproof space, a pipe fitting and a plurality of supporting rods are arranged at the bottom of the lamp holder and fixedly arranged at the bottom of the water polo, the pipe fitting is inserted into the inserting hole, the portion between the periphery of the pipe fitting and the inserting hole is in a closed state, and the pipe fitting is axially provided with a penetrating channel communicated with the waterproof space. The waterproof cover is provided with a channel, the channel can be used for containing