theshrinkingfamiliesinchinaTodaywiththedevelopmentofenomicandthechangeoftranditionalopinion,moreandmorechinesefamiliesarebecomingsmallerandsmaller.Inancient,Chinesefamilyusuallycontainsthreegenerations,evenfourgenerationsunderoneroaf.Sotherearealotofmembersinafamily,suchasgrandfather,father,uncleandsoon.Butnowthesefamiliesaredisappared,reapledwithsmallfamilieswhoaremakeupwithtwogenerations,father,motherandasonordanghter.Reasonsforthisarecomplex,butIthinkwecanputitinthefllowingreasons.First,withthedevelopmentofenomic,thecostoffeedingachildaremoreandmoreexpensive,mostoffamilescanhardlyaffordantherchild.Second,intheEightyorninetyage,Chinesegovernmentactualizedone-childpolicy,thispolicyreducethegrowthofthepopulationandspeedupthecomingofsmallfamily.Third,todaymostofChinesepeoplearechangingtheirtranditionalopinion,theythinktheycangetmorefreedomandchanceinsmallfamily,atthesametime,smallfamilyismoresuitformodernsociety,anditisadvocatedbythegovernment.Fouth,todayChinesesecurityareperfecting,thatmeansgovernmentarebecomingaimportantroleintheprovidefortheaged,sothepeoplemakeupthebigfamilywhichisprovidedfortheagedisnotnecessary.Inthemodernchinesesociety,thedisapperedofbigfamilyandtheproduceofsmallfamilyareinelutabled.Butinthechangingprocess,wemayfacealotproblems,sowepayattentiontotheproblems,andmakesurethesuccessoffamilystructuretransformation.