The microstructure and texture evolution of Zirconium tubes extruded at different temperatures have been investigated using X-ray diffraction (XRD) and electron backscatter diffraction (EBSD) technology. The results show that dynamic recovery and recrystallization occurred in the hot-extruded tubes. The microstructure consists of sub-grains containing small angle boundary and equiaxed grains. The temperature has no effect on the mean size of equiaxed grains. However, there is wide difference in texture at different temperatures. The texture component of the tube extruded at 650 °C consists of fiber and {0001}, while the texture component is <>fiber and {0001}<> with more basal poles in the tangential direction for the tube extruded at 630 °C.