The high resolution powder diffractometer in China Advanced Research Reactor has finishedthe upgrade.A vertical focusing monochromator was installed to instead the flat monochromator and enhanced the neutron flux at sample position.Sample table was changed to Huber turntable product,which is more precise.The third The high resolution powder diffractometer in China Advanced Research Reactor has finished the upgrade. A vertical focusing monochromator was installed to instead of the flat monochromator and enhanced the neutron flux at sample position. Sample table was changed to Huber turntable product, which is more precise. Third