Through　studying　the　relation　between　human　performance　and　commercial　fashion　show　as　well　as　their　disparities　in　terms　of　the　development,　presentation　and　function,　we　can　figure　out　that　commercial　fashion　show　belongs　to　and　is　covered　by　human　performance.　From　the　perspective　of　development,　both　prospered　in　post-industrial　era.　In　terms　of　presenting　form,　performance　studies　cover　various　forms　of　performance　and　presentation　while　commercial　fashion　show　is　based　on　model　show　and　illustrated　by　music,　performance　design　and　stage　arts.　As　to　function,　performance　studies　contribute　to　people＇s　understanding　of　the　nature　and　value　of　the　performers　through　those　artificial　forms;　while　commercial　fashion　show　functions　in　costume　consumption　and　sale　by　attracting　the　audience　to　purchase.