The generation and development of polarized remote sensing, and its results of research on vegetation, soil and body of water are reviewed, and the future development of polarized remote sensing is forecasted. As is well known, the traditional remote sensing treats the earth as a Lambertian, which takes vertical observation to get the two-dimensional signal of surface, in order to get better remote sensing information processed by computers. The results show that, it is not quite reasonable to treat the earth as a Lambertian, the information from surface shows obvious three-dimensional features. Academician Li xiaowen did intensive studies on bi-directional reflection distribntion function(BRDF) and obtained significant results. Polarized reflectance is the twin sister of bi-directional reflectance. BRDF meanly shows the angle information of spectrum while polarized reflectance shows both the angle information and the polarization information of spectrum. When a part of earth surface is treated as a Lambertian, its angle information and polarization information are both zero. After analyzing and comparing the interrelationship and discrepancy between polarized remote sensing, multi-angle hyperspectral remote sensing and microwave remote sensing, it is not difficult to find that polarized remote sensing could successfully combine the three remote sensing measures above.