Abstract: Aiming at the problems of a single smart home application scenario and weak security performance，this article fully considers the needs of users and the compatibility of each control module，and designs an intelligent integrated control system based on the Internet of Things. The system integrates smart light control，conference screen projection，smart shading，smart environmental protection，and smart security systems，and real-time monitoring through smart cloud platform. It has been successfully applied to a smart office scene in Jianghan University，realizing the diversification of application scenarios，and it also solves the security problems of smart homes. The system provides a humanized，intelligent，and safe office environment for office staff，with good practicability and marke prospects.

Key words: smart office system, Internet of Things, smart integration control