Rotenone, a natural pesticide derived from the roots of various plants in the genus Derris and related species, is widely used for controlling a variety of insect pests. This highly effective compound acts by disrupting the nervous system of insects through the inhibition of mitochondrial complex I, leading to paralysis and death. It has been utilized extensively in agricultural settings as well as in pest control measures for home environments. Rotenone is available in both liquid and powder forms and can be applied through soil drenches or foliar sprays depending on the target pests and application method. Due to its potent nature, it must be used with caution to avoid contamination of non-target species and residues in food crops. Research indicates that while rotenone has shown promise in managing certain pest populations, there are concerns regarding its long-term environmental impact and potential toxicity. In summary, rotenone is a powerful natural insecticide with broad-spectrum activity, offering an eco-friendly alternative to synthetic pesticides but requiring careful handling and application practices.