With the continuous development and advancement of science and technology, informatization, digitization and intelligent technology have been widely used in the field of automatic control. While ensuring accuracy, it also provides a guarantee for the quality of work. The rapid economic development has driven the continuous increase in electricity consumption. The power communication network and the power primary network have carried out a closer "two-network integration". In the development process of the smart grid, the power communication technology plays an important role in the development of the power grid. Important role, the intelligent management of building electrical engineering is conducive to improving the level of control. The use of intelligent technology in building electrical improves and improves the accuracy of installation and debugging of various equipment during the construction process, ensuring the construction quality.