This article explores the potential of biodegradable polymers for sustainable drug delivery applications. Biodegradable polymers have attracted considerable attention in the field of drug delivery due to their ability to release drugs in a controlled manner, biocompatibility, and biodegradability. The article reviews the different types of biodegradable polymers, including natural and synthetic polymers, and their properties that make them suitable for drug delivery applications. The review also highlights the various drug delivery systems that can be developed using biodegradable polymers, such as microspheres, nanoparticles, and hydrogels. Finally, the article discusses the current challenges and future perspectives of biodegradable polymers in drug delivery applications, including the need for further research on the toxicity of these materials and the development of new biodegradable polymers with improved properties. Overall, the article emphasizes the potential of biodegradable polymers as a promising approach to sustainable drug delivery