A device which can illustrate the side-scattering coefficient profile of atmosphere was established in this paper. Based on charge coupled device(CCD), the device inversed the coefficient profile by measuring the side-scattering intensity with the scattering angle ranges from 33° to 145°. By projecting the collected side-scattering light to a plane, we realized the correspondence between the CCD pixels and scattering angle, and inversed the side-scattering coefficient profile at last. The device also upgraded the real-time performance by adopting CW green laser source and CCD with high frame rate.