Common reflection surface (CRS) stack, which depends on three attributes of the seismic wave-field, is a seismic imaging method independent of the macro-model. Based on the similarity of common reflection point trace gathers in one coherent zone,CRS stack can focus more energy on the vicinity of the reflector, and therefore can obtain a high signal-to-noise ratio zero offset section by stacking events with the same phase. The effectiveness and practicability of the method have been proved by applying it to the real seismic data.