The invention relates to a water drainage and waste discharge pipe for a fish pond. The water drainage and waste discharge pipe comprises a center water drainage vertical pipe and floating type waste blocking pipes, wherein the center water drainage vertical pipe comprises an outer water drainage vertical pipe, an inner water drainage vertical pipe and a center water drainage pipe, the outer water drainage vertical pipe is connected with the inner water drainage vertical pipe in a sheathing way, the outer water drainage vertical pipe is connected with a water drainage port of the center water drainage pipe in the sheathing way, and the floating type waste blocking pipes are detachably connected with the inner water drainage vertical pipe. The water drainage and waste discharge pipe has the advantages that the water drainage is realized, and meanwhile, pollutants on a water surface layer can be effectively removed.