Abstract: In recent years, with the rapid development of internet of things(IoT), which has a wide range of applications in intelligent buildings.However, the depth application in the construction site management is few.This article first reviewed the present situation of IoT and its application in the construction phase, then elaborated the construction site management requirements and specific Internet of things technology construction plan practice, based on our company's new office building project.Finally look forward to the future of the fusion of the Internet of things and BIM.