The quality assurance of mechanical and electrical equipment installation is essential for the smooth completion of intelligent building construction, and installation quality of mechanical and electrical equipment will determine whether the performance of intelligent building can be well reflected. Therefore, it is necessary to strengthen the monitoring means of mechanical and electrical equipment installation quality in intelligent building construction. With the progress and development of the times, the application of Internet information technology and electronic technology has gradually penetrated into the development process of various industries, and it is no exception to the construction process of intelligent buildings. It brings both opportunities and challenges. The following mainly analyzes and discusses the problems and drawbacks of the installation of mechanical and electrical equipment in the construction of intelligent buildings, and tries to find out the effective monitoring means of mechanical and electrical equipment installation quality in intelligent building construction.