AbriefanalysisonareflectionofDissimilationinPostmodernistartAlaneAbstract:Postmodernphilosophyfocusonthesociety,Post-modernartshowsthishumanisticcare.Dissimilationwasthecommonwordofpostmodernphilosophers.InHerbertMarcuse’stheoryofSocialCriticism，heputsforwardtheconceptofOne-DimensionalMan.Hestronglycriticizesthesocialrealityandexposesthealienationofhumannature.InPostmodernistart,JapanesepainterTetsuyaIshidarevealedthefactswithhispainting.Keyword：Postmodernistart，dissimilation，One-DimensionalMan，TetsuyaIshida。AbriefanalysisonareflectionofDissimilationinPostmodernistart(1)TheconceptofpostmodernartandmajorschoolsPostmodernismisatrendofavant-gardeartandliteraturewhichtookplaceinBritainandFranceandotherplacesintheUnitedStatesaftermodernismideologicalsincethe1950sTherearemanyartschoolsofpostmodernism，MainlyhasMinimalismNewsocialistrealismartandSuperrealism,Newexpressionistart（2）BackgroundofcreationTheinfluenceofhumanism，Modernismartarefarfromrealityandthegeneralpublic，indifferenttosocialreality，graduallyintodecline。AtthesametimeModernismarthasviolatedthecreationitselfdesireofthepeople,losttotheaffinityofrealitymeaningcontentlackofideasclearly,ultimatelytotherealblankandempty.（1）（3）ConditionsofthetimesHerbertMarcuse(1898-1979）,aJewishsocialtheoristofFrankfurtschool，hisimportantPublicationinclude《ErosandCivilization》（1955）、《One-DimensionalMan》（1964）。Inhisview,thepost-modernsocietyisnotone'spersonalityandcharacteristicsoftheheightofthenon-humanalienationofsociety（2）AlsolikeLukassaid，inthepost-modernsociety“One'sself,hisownlabor,turnedintosomekindofobjectiveandindependentofhisstuff,somerelyontheoutsidepeople'sautonomyandcontrolthepeople”（3）HerbertMarcuse’stheoryofSocialCriticismthinksthatsincethe20thcentury,althoughthedevelopedcapitalistsocietyarericherandmorecompetitivethanever，butmaintainedadepressive,anddidnotimprovethelifeofapersonitistouseaterrortoachieveeconomicandtechnologyintegration,totransformpeopleintofreakstotalitariansocieties,andrequiretheinstinctofamanspiritofsociallifearetoobeyInscienceandtechnologyincreasinglyprogressofsociety,peoplehavebecomethemachineaccessories,peoplelostasenseofsecurity,interpersonalrelationshiphasarelationshipwiththeobject。Peopleareintoslaves,fortheindustrialcivilizationbecomenumbtosocialmachineandfeelinghappy,onelosttheessenceofmanandautonomy（4）(4)Areflectionoftheartistsofthisview------RegardTetsuyaIshidaasexampleTetsuyaIshida，anartistwhowasborninJapan'sShizuoka,finallycommittedsuicidein2005,heDescribeandironyineverydaylifeinmodernsociety，Revealsthehiddeninthedepthsoftheheartofthemodernpeople'spainandsorrowbythesurrealexpression。hispainting《だんご蟲の睡眠》in1995describeamanwholiveinabigandemptyhouselyingincarapace。TheStrangeworksconveysucharealityAslongasthereisawormshellthesameareacanbeacomfortablelifebutwehavetobuyawhiteelephantintheroom。Wearetookeenonmoney，butforgettheessenceofhappiness《だんご蟲の睡眠》《しうじん》in1999.Wearemiredinourownworld,don’tknowwhatsurvivalis.Thebackgroundofthegloomyrevealsthehero'slonelinessandhopelessness.OutsideofthegirlIsthesymbolofWonderfulThings.butthemanaremireddeeply,hehadforgetHowtogetclosetolifeaswellascherishit.Thispaintingreflectsthemodernpeople'ssurvival---hopeless,helpless,despondence《しうじん》自分で決め》in1997。Peoplebecomethefurniture，Theseeminglyordinarypeopletocommandingeverydayitems,saddledwiththeresponsibilityandthepressureoflife,livepoor,unabletoreleasethepressureoftheirpainonlyinone'sownbodycanonlyrelyontheirdruganesthesia?！蹲苑证菦Qめ》ConclusionInPostmoderneveryoneneedtofacetodissimilation,bedissimilatedornot,thatisaquestion。Thanksthosepostmodernphilosophersandartistsrevealdissimilation.theymakeeveryoneofusknowourresponsibilityandchallengeinPostmod