The invention provides an image tracking device. The image tracking device is matched with an electronic device, wherein the electronic device comprises an image capturing unit. The image tracking device includes a line connection unit, an audio receiving unit and a driving unit, wherein the line connection receives an audio signal, the audio receiving unit is electrically connected with the line connection unit and convert the audio signal into a driving instruction, and the driving unit is electrically connected with the audio receiving unit, receives the driving instruction, and adjusts an image capturing angle of the image capturing unit of the electronic device according to the driving instruction.