Bio-pesticides are several types of pest management intervention: through predatory, parasitic, or chemical relationships. The term has been associated historically with biological control and by implication the manipulation of living organisms. They are obtained from organisms including plants, bacteria, fungi and nematodes, etc. by synthetic methods. In this aspect, Azadirachtin, Methyl Eugenol, Parietin and Lantadene are the some bio-pesticides for better organic farming. They are applied in environmentally friendly way. This article provides the brief assessment to know the bio-pesticide benefits through organic farming.