Abstract: Architecture, content, and innovation points of intelligent environmental regulation technology for greenhouse were discussed in detail, and effectiveness and prospects of application of this technology in Beijing facility agriculture were analyzed．Aiming at a series of problems caused by low level of intelligentization production and management in Beijing facility agriculture production, such as extensive operation modes, high energy consumption, and low labor productivity, a new type of IoT monitoring equipment with high integration, high precision, low power consumption, and low cost has been developed for facility agriculture．A dynamic monitoring network for Beijing facilities has been established to achieve "holographic perception" of big data in facility agriculture．Intelligent control hubs and equipment for facility agriculture have been developed to realize intelligent regulation of facility environment and create high-performance intelligent parks, which greatly saves labor costs, reduces labor intensity, and improves work efficiency．A production management system has been established to provide services such as digital farms, production and planting, monitoring and control, production and marketing management, quality management, and agricultural material management for main production facilities．This helped to achieve standardization and intelligentization of facility vegetable production and promoted an increase in yield and quality of agricultural products in park．Intelligent environmental regulation technology of greenhouse integrated a series of key technologies and intelligent equipment for agricultural IoT through innovation, forming a holistic effect of technology application, effectively promoting intelligent production and digital management process of facility agriculture, relying on technological innovation to promote high-quality development of facility agriculture, and comprehensive promoting rural vitalization．