Pd(OH)2/C　catalyst　is　a　key　material　for　the　preparation　of　hexanitrohexaazaisowurtzitane　(HNIW,　CL-20).　Several　Pd(OH)2/C　catalysts　for　the　hydrogenolytic　debenzylation　of　hexabenzylhexaazaisowurtzitane　(HBIW)　were　prepared　through　soaking-deposition　method　with　three　types　of　commercial　activated　carbons　as　carriers.　Effects　of　the　surface　properties　and　pore　size　distributions　of　activated　carbons,　the　preparation　temperature　of　catalyst,　the　kinds　of　base　and　the　loading　amount　of　palladium　on　the　catalytic　activity　of　Pd(OH)2/C　catalyst　were　investigated.　The　catalytic　activity　and　the　characteristics　of　N2　adsorption,　temperature　programmed　desorption　(TPD),　powder　X-ray　diffraction　(XRD)　and　transmission　electron　microscope　(TEM)　show　that　the　catalytic　activity　of　Pd(OH)2/C　catalyst　is　strongly　influenced　by　the　surface　property　and　pore　size　distribution　of　activated　carbon,　reaction　temperature　and　the　loading　amount　of　palladium,　whereas　the　specific　surface　area　of　activated　carbon　and　the　kinds　of　base　used　in　preparation　process　of　catalyst　are　not　key　factors　affecting　the　properties　of　Pd(OH)2/C　catalyst.　Using　disodium　carbonate　as　base　source　and　30%　nitric　acid　pretreated　granular　activated　carbon　(produced　by　ACROS　Organics　Company)　as　carrier,　the　9%　Pd(OH)2/C　catalyst　prepared　under　the　reaction　temperature　of　5,　has　the　best　catalytic　activity.　When　the　amount　of　palladium　used　in　catalyst　is　0.3%　(wt/wt)　of　HBIW　substrate,　the　product　yield　of　hydrogenolytic　debenzylation-acetylation　reaction　of　HBIW　reaches　93%.