(),,;,NaturalPropertyandSocialPropertyofSafetyZhangJinglin,Prof.WangGuiji(DepartmentofEnvironment&SafetyEngineering,NorthChinaInstituteofTechnology)Abstract:Throughthediscussionofthebasicconceptsofsafety,safetysystem,safetydynamicsandsoon,theconceptofsafetypropertyisputforward,theimplicationofsafetyandsafetysystemisthusbroadened.Meanwhile,theregularityofsafetyisstudiedfromtheviewofsafetypropertybymeansofphilosophy,systemalologyandsystemdynamics.Itisshownthatthemethodofsafetydynamicsistherouteforthestudyofsafetyregularity.Allthesepromoteandenrichinsomeextentthedevelopmentofsafetyscience.Keywords:SafetySafetysystemSafetypropertySafetydynamicsSafetyscience1[1](),(),,,,,,,,,,,2,:;,?,,;,,,115200110ChinaSafetyScienceJournalVol.11No.5Oct.2001,,,,,,,,,,,,,,,,,,,[1]:,,(),,,,,,,,,,,:,,,,,,,,,:,,,,,:,,;,:()();,(),15,:21,Q.E.&OSH[2],,,,[3](),,,,,,?,;,;,:,7:,,3[4],,,,,3.1,,,,,,,11,,,,,,,,,,,,,,3.2,(),,,,,,3.3,,,:,()[5],,;,(),,,,,,,,,,:,8ChinaSafetyScienceJournal112001,,3.4,,,,,(),3.5,,,,,,,,,,4,,,,(,):,,;,,,,,,:,,,,,,[3,4]:;,,,,,,:H=-ni=1Pilog2Pi,5(1);;(2),,,(3),,(:20009;:;;:030051)9:111,2000,11(1):1121Q1E1&OSH1,2000,11(1):32331311,2000,10(1):1214111:,1999:52551511,2000,11(1):1012002,,1664,,,:ISSN1009-6094,CN11-4537/X,:2-770,,2002,10100(),660100:5:100081:(010)68913997:(010)68911849:::1581047710001:01ChinaSafetyScienceJournal112001,,,,19391,1992:,1999;()6;TNT331995,HMX2526StudyonMethanolPyroly2sisGasExplosionSuppression10,,(ICOH)19628,:()11,30,1962,1983,1,2,1,1301999,1999199019941994,,,,,,,,901960719847,,,:,3