The invention relates to an electronic component display protection device, in particular to an electronic tube display protection device for an electronic component, and aims to provide an electronic tube display protection device which can sufficiently display novel electronic tubes, enable people to sufficiently know the novel electronic tubes, increase the sales of the novel electronic tubes and protect the novel electronic tubes. The electronic tube display protection device for the electronic component comprises a display table, a cabinet, a partition, a support, a motor, a bearing block, a connecting rod, a placing plate, a first rotating shaft, a second bearing block, a second rotating shaft, a first bevel gear and the like, and a through groove is formed in the left side of the display table. According to the device, the placing plate rises and falls to adapt different heights of people to observe the novel electronic tubes, the electronic tubes are protected by the aid of glass covers, so that dust cannot adhere to the electronic tubes.