Aroma-Link is a cloud platform for controlling air treatment, odor treatment, fragrance marketing, and sterilization. It is designed to integrate with existing equipment and provide better customer service. It is the first cloud-based Internet of things (IoT) platform that can support Bluetooth, WiFi, 2G/4G, and cellular communication. It is also the first platform that is compatible with mobile and PC terminals to realize control, management, and data statistics. It is a self-built server that does not rely on the framework of the third-party cloud platform. It can support a wide range of information security and data security, allowing users to define their own data collection and analysis. It also supports the integration of a variety of equipment.