In order to solve the problem of short effective supervision distance when the traditional supervision system manages the construction site of the building, the design and research of the remote supervision system of the intelligent building construction site based on the Internet of Things are carried out. Through the selection of remote supervision equipment on the construction site, the selection of front-end networking auxiliary equipment and other hardware design, and the automatic data collection and transmission on the construction site, remote supervision and management and other software design, the system design is completed. Moreover, the effectiveness of the designed system is proved by experiments.