Along with the development of science and technology and the application of the achievements of the 4th Industrial Revolution, many countries around the world have succeeded in building a smart city model that contributes to improving the quality of life, improving the service quality of the city government, reducing energy consumption, and enhancing the effective management of natural resources. Smart city development is one of the important driving forces to realize the goal of turning Vietnam into a modern, high-income industrialized country by 2045, while promoting national digital transformation, digital economy development on the basis of science - technology and innovation. This article aims to propose technological solutions in smart city management and development associated with digital transformation.