The invention discloses a style-replaceable multifunctional hair accessory which comprises a hair tool base and headwear. A connecting structure is arranged between the hair tool base and the headwear, is a movable connecting structure and is a rotary buckling structure or a spring buckling structure or a threaded buckling structure or a magnetic buckling structure. The head wear of the hair accessory can be replaced according to different preferences of different people and different using occasions, a user only needs to demount original headwear and replace the same with new headwear, and the style-replaceable multifunctional hair accessory is low in cost, high in functionality, supportive of random matching, suitable for requirements of various environments and occasions and high in popularization and using value.