Petro fabrics means an anisotropy of rock forming minerals distribution. EBSD petro fabrics analysis is a method to measure the distribution pattern of rock texture factors minerals by means of Electron Back Scattered Diffraction system to plane net of a special mineral crystal. Based on the EBSD petro fabrics analysis of deformed rocks from Kaladawan area, Altun Mountains, NW China, the authors draw the conclusion as follows. ①There happens a strong deformation in the rocks from the area. ②Quartz in granitic mylotite and altered deformed granite is mainly deformed along its prismatic I and II glide system and partly along its basal or basal near glide system, while Quartz in deformed volcanic rocks is mainly deformed along its basal or basal near glide system. ③The deformations of the rocks from the northern part of the area happen under a medium and medium deep depth of 15~25km, a middle and med high temperature of 350~450℃ and a middle pressure of 0.40~0.60GPa, while the deformations of the rocks from the southern part of the area happen under a low medium depth of 10~15km, a low middle of 250~350℃ and a low middle pressure of 0.25~0.40GPa. ④Combine with the age of different deformed granite, the authors conside that the ductile deformation in the area was happened in early Paleozoic era. All features above are identical to specious position that they are located the convergent plate collision belt and the distribution of high pressure eclogite and glaucophane schist and to their evolution history.