Abstract: The present invention discloses a positioning structure of emergency power supply for use in a camera device, which can be rapidly connected and positioned to a camera device, so that the camera device can use the functions provided by the emergency power supply. The positioning structure includes: a main body, which is configured with a connection terminal for electrical connection with the charging socket configured on the camera device to provide the power supply required in the operation of the camera device; a positioning structure, which can be connected and positioned to the main body, and the positioning structure is configured with a first positioning device to be connected and positioned to the positioning hole disposed at the bottom of the camera device, and further configuring a screw hole on the positioning structure or at the bottom of the main body with the same size as the positioning hole at the bottom of the camera device.