The invention discloses an ear-nose-throat multifunctional instrument tray. The ear-nose-throat multifunctional instrument tray comprises a tray body, a classification mechanism, a supporting plate, suction cups, a rotating mechanism, a connection mechanism and a lock catch. According to the ear-nose-throat multifunctional instrument tray, medical personnel are facilitated to put various types ofmedical instruments into the device through classification via the classification mechanism firstly; when an operation table is provided with a placement area, the medical staff only needs to use thesuction cups, so that the device can be firmly connected with the operation table; and when the use area on the operation table is fully occupied, the medical staff firstly unfolds the device, and then the device is firmly connected with the smooth side surface of the operation table by using the suction cups, so that the protection effect on the medical instruments can be achieved by using the device in the application, and the work progress of the medical staff and the treatment progress of a patient are ensured.