Aroma-link is an Internet of things control platform for air treatment, odor treatment, fragrance marketing and sterilization. This platform is the first cloud control product in the world that can support Bluetooth, WiFi, 2G / 4G and cellular communication, and also the first platform that is compatible with mobile and PC terminals to realize control, management and data statistics. Aroma link is a self built server and independently developed cloud control platform. Not limited by the framework of the third-party cloud platform, it fully ensures the information security of the platform, user-defined data collection and analysis. Finally, the platform supports hardware access to kill equipment, fragrance equipment, other spray and processing equipment, and provides more market prospects for the upgrading of subsequent product lines.