On August 26, 2021, East China Engineering Science and Technology Co., Ltd. grandly held the launch conference of “East China Engineering Science and Technology Co., Ltd. Intelligent Construction Site System”. The system integrally applies the three-level architecture of “cloud, edge and end”. It will use the project site data acquisition equipment as the “end” to collect the original data, the project site server system as the “edge” to process, summarize and upload the data and the company level intelligent site management system as the “cloud” to collect, analyze and report the project sites data so as to realize the management of one set of system, at two levels managing multiple projects.