The present invention discloses a visual flexible double-lumen tube cannula, which includes a dual-lumen tube, bronchial tubes, a tube core, a display, and a cannula control system mounted in the display. The double-lumen tube is internally provided with a partition plate, and the double-lumen tube is divided by the partition plate into two parallel adjacent lumens of a main tube and a side tube,the bronchial tubes is connected in series at the end of the double-lumen tube, and the bronchial tube and the main tube of the double-lumen tube is connected, the two ends of the tube core are respectively provided with a connection plug and a video device, one end of the tube core and the video device are installed in the main tube, the connection plug is connected to the display, and the display, the tube core and the video device are controlled by the cannula control system. The visual flexible double-lumen tube cannula has a simple and practical structure, can be bent, realizes visualizedoperation, and has the advantages of good safety, high success rate, short intubation time, and convenient use.