Abstract: At present, "Internet+" has become the core technology of various industries. Its application in the weak current system and integrated wiring of intelligent buildings will help improve the informatization level of the construction industry. Based on this, this article discusses the application of "Internet +" in weak current systems through omnidirectional perception and intelligent experience, and analyzes the practice of "Internet +" in the process of integrated wiring from the aspects of building an electronic physical platform and application principles. Measures to improve the construction quality of smart buildings.