The invention relates to a disposable interdental brush, wherein the handle of the interdental brush mainly comprises a handle, a pick-and-place port and an accommodating space, and the accommodating space accommodates a plurality of bristles, and each bristles structure is respectively provided with a docking structure, and the bristles structure can be borrowed The joint structure of the docking structure and the crown is fixed to each other, and the user can directly remove the new bristle structure from the handle according to the damage degree of the bristle structure, so as to improve the convenience in use and avoid excessive brush handle. Waste and lack of environmental awareness.本創作一種拋棄式牙間刷，牙間刷中的刷柄主要包括柄頭、取放口及容置空間，容置空間內收容複數刷毛結構，各刷毛結構分別設置有對接結構，刷毛結構可藉由對接結構與柄頭的結合結構相互固定，使用者可依據刷毛結構的受損程度而從刷柄內直接取出新的刷毛結構進行更換，以提升使用上的便利性以及避免過多的刷柄造成資運浪費與缺乏環保意識。
