SurveillanceCamera:AIntegralFacilityThereisnodoubtthattheubiquitoussurveillancecameraseverywhereisveryfamiliarforus.However,noteveryoneregarditasacceptable.Supportersproposethathomesurveillancecanguaranteethesafetyofpersonandpropertyandprovideevidenceforpoliceman.Others,nevertheless,arguethatpersonalprivacyleakandcollectingunnecessaryinformationareseriousproblemsshouldnotbeneglected.Weighingtheprosandconscarefully,Istillbelievethatsurveillancecameraisintegralinoursocietynow.Firstandforemost,themostimportantfunctionofsurveillancesystemiscombatingcrimeandhelpingpolicementoinvestigate.Thisisagreatadvantagebroughtbytechnologicalimprovement.Recentdecadeshaveseenadramaticincreaseinthecrackingcases.Intheperiodwithoutsurveillancesystem,thedifficultyofinvestigatingcriminalincidentisquitelargeforpolicemen.Asaresult,anumberofcriminalsmoreoftennotthaneasilyescapethepunishmentoflaw.TheserialkillerinBaiyinGansuprovincewhohasbeencaughtnowafter28yearssincethefirstcrimehedidisalivelyexample.Ifsurveillancecamerahadexistedthattime,lesspeoplewouldhavenotkilledbytheman.Furthermore,thesurveillancevideoisthemostobjectivewitnessinpersonaldisputeswhichcansupplythekeyinformationwhenthetwosideshavedifferentopinions.Oncethevideoisreleased,thetruthwillcomeout.Forinstance,inthepregnantwomansuicidecaseofShaanxiprovince,surveillancevideobecamethecrucialjudgmentalmessage.Additionally,surveillancecameraalsoisappliedinthefieldofpopulationloss,trafficmanagement,securityworkandsoon.Tosumup,toughsurveillancecameraincreasestheriskofinvasionofprivacy,butgenerallyspeaking,theadvantagesoutweighthedisadvantages.Aslongaswereasonablygooduseofit,itwillmakeourlivessafer.(302字)