DoTERRA's machine is both an aroma diffuser and a humidifier. Aromatherapy has been a very ritualistic thing since ancient times. The emperor always bathed, changed clothes and burned incense before offering sacrifices, because the ancients believed that smoke was a way to communicate with the gods. Aromatherapy is also very important in religion, such as Buddhist and Taoist incense and incense burners. In modern society, during yoga or meditation, the smoke and aroma rising from the aromatherapy machine, this ritual feeling can make it easier for people to enter the state. DoTERRA's machines can not only be used as aromatherapy machines to keep the air and environment fresh, but they can also be used as humidifiers to increase indoor humidity. The American doTERRA company was founded in 2008 and is headquartered in Utah, USA. It is one of the world's largest aromatic care and essential oil companies. Its products include essential oils and home life products.