The original Xingxing Xia group of Xingxingxia in Xinjiang is a set of metamorphite system of complex lithology and obviously different metamorphic grade. According to Baishidu 1∶50 000 regional geological survey and rocl assemblage metamorphic degree and the combination of stromatolite, strata sequences of this region are rearranged. They include Tianhu rock suite of Archean-Proterozoic ear, Xingxingxia rock suite of Changchengian system. At the same time, the authors did the regional contrast research on rock assemblage, metamorphite and deformation of every rock suite.