 This article reviews the potential benefits of using composite nanocotings on magnesium-based alloy biomedical implants. It discusses how these coatings can enhance corrosion resistance and bioactivity, as well as how they can promote cell adhesion and proliferation. Additionally, it explores how nanoparticle size, surface morphology, and drug delivery systems can affect the efficacy of these coatings. Finally, it provides a comprehensive overview of the current state of research and suggests future directions for development. This article was authored by Dan Lee, Danny Dai, Git Shum, and others.