Automatic target-scoring device

The invention provides an automatic target-scoring device. The automatic target-scoring device comprises a first position detection unit, a second position detection unit, a target surface and a supporting frame. The first position detection unit comprises a first laser module, a first Fresnel cylindrical mirror module and a first position detection processing module. The second position detection unit comprises a second laser module and a second position detection processing module. The first laser module and the second laser module are used for transmitting detection laser. The first Fresnel cylindrical mirror module and a second Fresnel cylindrical mirror module are used for converting the detection laser into a collimating, uniform and strong light curtain. When bullets penetrate through a detection area, a first projection and a second projection are formed on the first position detection processing module and the second position detection processing module correspondingly, and the first position detecti