The invention provides an essential oil tray which is used for an aromatherapy machine and can avoid taste channeling of essential oil and relates to the technical field of aromatherapy machines. The essential oil tray contains a tray shell, a tray top cover and tray cotton, wherein the tray cotton is arranged inside the tray shell, and the tray top cover is arranged at the top of the tray shell; the tray cotton is formed by overlaying a plurality of tray cotton separate layers, and each tray cotton separate layer is composed of essential oil adsorption cotton and a release paper layer arranged below the essential oil adsorption cotton; and each release paper layer is arranged below the corresponding essential oil adsorption cotton. The essential oil tray provided by the invention has the advantages that the tray cotton can be conveniently replaced, the phenomenon of taste channeling among different essential oils is avoided, the usage amount of the tray cotton is greatly saved, the cost is saved, and the practicability is stronger.