简介:Asthebasicpartofthesociety,familyhasexperiencedgreatchangesduringthedevelopmentofthesociety.ThispapermainlytalksabouttheevolutionofAmericanfamilysystemfromthecolonialperiodtomoderntimes,focusesonstudyingthefeatureofthenewfamilypatternsandexploresthefactorsthatresultinthechangingoftheAmericanfamilypatterns.Andinthelastpartofthispaper,theauthorresearchthefuturetendencydevelopmentofAmericanfamily.