Anti-electromotive fish device capable of self-adapting to different water areas and accurate positioning method

The device comprises a sealed box body, the lower portion of the box body is connected with a buoyancy plate, the bottom of the box body is provided with a telescopic rod and an insertion rod, the box body is externally connected with a right-angle stand column, the lower portion of the stand column is connected with a circular truncated cone, the bottom of the circular truncated cone is connected with a metal probe, and a circuit detection module is arranged in the circular truncated cone. A metal probe is arranged in the box body and connected with the metal probe through a wire, the top of the box body is in conduction connection with the cross-shaped stand column, a lighting lamp and a camera are embedded in the stand column, a solar panel is arranged on the top of the stand column, a control mainboard, a GPS module and a communication module are arranged in the box body, and wires are arranged in all the modules. The invention also discloses an accurate positioning method for the back electric fish by ut