Pesticides supported microorganisms and their merchandise have proved to be extremely effective, species specific and eco-friendly in nature, resulting in their adoption in cuss management methods round the world. The microorganism biopesticide market constitutes regarding ninetieth of total biopesticides and there's ample scope for more development in agriculture and public health, though their square measure challenges additionally. this text reviews the assorted microorganism biopesticides that square measure commercially obtainable, the various approaches for his or her production and development, the recent technological advances and also the challenges faced by the microorganism biopesticide field within the future. The injury and destruction inflicted on crops by pests have had a heavy impact on farming and agricultural practices for a protracted time. These pests embrace insects, fungi, weeds, viruses, nematodes, animals and birds. it's been calculable that almost ten species of insects, fifty species of fungi, 1800 species of weeds and fifteen species of nematodes destroy food and fibre crops employed by various individuals worldwide. In Republic of India alone, half-hour of the crop yield potential is lost as a results of insects chlorinated hydrocarbons, organophosphates and carbamates.