This paper focuses on the application of smart construction site platform in the collaborative control of quality

schedule and cost in building construction

analyzes the collaborative control mechanism and core function support of the platform

explores the practical paths of data intercommunication

process linkage and dynamic regulation

and expounds the role of platform application in improving control synergy and comprehensive benefits. The research shows that platform empowerment can solve the problem of fragmented traditional control

providing a modern solution for refined management of building construction.​