In the last few years, there has been a rise in worldwide interest in smart cities as a solution to urban difficulties, notably in healthcare, which uses technology to improve accessibility and efficiency of healthcare systems. The chapter discusses the role of smart cities on healthcare, highlighting their potential for improved global services through real-time monitoring, personalized treatment through predictive analytics, IoT devices, sensors and smart mobile apps. As an outcome of this study, it suggests a technological framework for smart city platform to transform healthcare practices to build specialized, adaptive healthcare systems in light of Sustainable Development Goals. The key elements of this framework emphasize on privacy and security measures, environmental health monitoring, collaboration initiatives, scalability, and sustainability strategies. Smart healthcare solutions can enhance accessibility, reduce costs, optimize resource allocation, and streamline patient care, leading to faster medical response times and reduced hospital workload.