Perovskite quantum dots (PeQDs) are emerging as a transformative technology, poised to significantly impact various industries, especially in display technologies and renewable energy. Their unique properties, including tunable bandgaps and exceptional luminescence, promise to enhance LED screens and solar cells, potentially lowering production costs and boosting efficiency. Researchers are also investigating their applications in medical imaging, which could lead to earlier disease detection. However, challenges related to stability, scalability, environmental concerns regarding rare-earth elements, and toxicity must be addressed to realize their full potential. As ongoing research seeks to navigate these complexities, PeQDs may ultimately pave the way for a future where advanced technology aligns with sustainable practices.