Earthworms are known to produce vermicompost by using any organic waste like agricultural waste, city garbage, industrial waste and sewage waste and helps in reducing noxious gases of a wide variety of organic water, eliminating the bad smell. Soil animals are important component of ecosystem functioning in urban domestic garbage and the earthworms are one of the major groups of these animals in the sewage and garbage. Thus, it is important to know the significance of earthworms and in our study we want to find out the factors that diminish the earthworms’ population in garbage.