ThetheoryoffiveelementsisaconceptofmatterinancientChina.Thefiveelementsincludemetal,wood,water,fire,andearth.Thetheoryoffiveelementsemphasizesonanoverallconcept,describingthestructuralrelationshipsandformsofmovementofmatters.Thetheoryholdsthateverythingintheuniverseisbasedonthemovementandchangeofthesefiveelements.Thesefiveelementsinteractwitheachother,affectingaperson'sfateaswellasmakingtheuniversemoveinendlesscycles.ThetheorygotmatureintheHanDynastyandwaswidelyemployedinthefieldsliketraditionalChinesemedicine,architecture,andmartialarts.