ABSTRACTSafetyispetrochemicalenterprisesurvivalanddevelopment,isthelifelineofsocialdevelopmentandeconomicconstructionofeternaltheme.Theenterprisefromtheinfrastructuretoproduction,safetystandardsystemalwaysplaysanirreplaceablerole,whichisamodernizedenterprisemanagementisanimportantbasis,istheimportantconstituteofadvancedproductivity,safety,environmentandgoodorderistheimportantguaranteeofeconomicdevelopment.Inordertoguaranteetheexplorationanddevelopmentofoilandgas,andtechnologicalcooperationandtradeactivities,establishsocialistmarketeconomyofpetroleumandpetrochemicalenterprisesafetystandardssystemhastheextremelyvitalsignificance.Flammablegasleakintotheatmosphereunexpectedly;after,Ifnoleakagesource,butimmediatelymetwithairmixtureformationpre-mixedcombustiblegasmixtureagainafterthefirewillhappen,ifencounterfire,gasexplosion,firewaslitimmediately.Generallyspeaking,thelongerleak,flammable,explosivemixtureofbiggersizerange.Liquefiedpetroleumgas(LPG)asasortofflammablegas,nowhasmoreandmorewiderangeofUSES,use,developmentandincreasingquickly.Therefore,strengtheningpropagandaofknowledgeofliquefiedpetroleumgas(LPG),ensurethesafetyofliquefiedpetroleumgas,itisnecessaryandurgentneed.Basedonreferencecountries,andpromulgateandformulatelaws,regulationsandtechnicalstandardsandspecificationsofthecases,combinedwiththeuseofgaspetrochemicalenterprisemanagementstatus,safetyanalysisofliquefiedpetroleumgas(LPG),causesoftheleakagereasonswereanalyzed,andputsforwardsomemethodstosolvethem.Keywords:safety,flammablegas,liquefiedpetroleumgas,leakage,riskcontrol.