Because of the highlydynamic range of SAR image,how to with reasonable quantization both keep the target information in image and easy to visual interpretation has been on important issue to concern. As far as fullypolarimetric SAR, it is a good way to exhibit the information by producing a PseudoColor Image. In order to realize this target, compress the highlydynamic data to a limited gray scale is the key step. Fully saturation, Strong target damaging is often caused by using the past methods. A new method is proposed in this paper to visualize the strong target better and improve the specified details quality. At the same time, this algorithm is fast by using the rapid integral image method to estimate the statistical parameter. Meantime the rapidtime exhibition is possible.