Bioluminescence is a unique character of some unique organisms, including fireflies. There are around 2000 species of fireflies worldwide and are belong to the lampyridae family. Luciferase is a protein that is involved in the process of light emission. Firefly larvae exhibit predatory behaviour by eating soft-bodied species such as earthworms and wood lice, which is advantageous from an ecological standpoint. Using luciferase for reporter activities Bioluminescence Imaging Technique was developed. In recent years, firefly luciferase has been employed to produce carrier proteins in the realm of nanomedicine. The firefly's communication mechanism is also used in cutting-edge research domains such as mobile robotics and wireless network design. Various toxicological studies have been undertaken using the firefly luminescence method by various researchers, and these studies have proven to be incredibly useful in monitoring various contaminants and pesticides.