Abstract:The construction site management is a very complicated and tedious work. In order to improve the standardization and management efficiency of the construction site management, aiming at information and intellectual of the construction site management, this paper designs and studies the construction of APP system based on Internet of Things technology, and puts forward the physical structure and software of the system. The design of component system integrates material management, on-site inspection, security monitoring and fire alarm, and automation management to improve the management level of infrastructure site. Through the research of this paper, the non-manual collection of information on the site of capital construction and the remote monitoring and management of the site of capital construction have been realized, which has a certain positive effect on the modernization of capital construction management. Practice has proved that the system has good feasibility and practicability, and can greatly reduce the expenditure of manpower, material resources and financial resources, so as to reach the site of capital construction. Requirements for Scientific Management.