A new kind of Synthetic Aperture Radar (SAR) jamming method is proposed: the 2-D interrupted-sampling repeater jamming. The fundamentals and implement of this jamming method are investigated. This jamming method can realize two-dimensional jamming in range and azimuth, and cause the SAR image ambiguous, and achieves the effect of multi-false targets. The research shows: both the suppression and deceptive jamming effect exist. Its validities are proved by the simulation.