The invention, which relates to the technical field of seismic exploration, provides an angle-domain inverse-scattering migration imaging method and device. According to the method, a pair of seismicwave rays that passes through a first imaging point and arrives at each detection point by staring with each shot point is obtained; on the basis of the size of a scattering angle formed at the firstimaging point by the pair of seismic wave rays, the pair of seismic wave rays is divided into a corresponding angle interval; offset stacking is carried out on the pair of seismic wave rays in each angle interval to obtain an inversion value of a parameter combination of each angle interval; and then according to the inversion value of the parameter combination of each angle interval, inversion values of all perturbation parameters of the first imaging point are obtained. According to the angle-domain inverse-scattering migration imaging method and device, the parameter inversion problem is processed in the angle domain; the inaccurate illumination processing and unstable matrix inversion in a conventional offset frame are avoided; and thus the high-precision imaging and reliable parameterestimation are realized.