This is a brush structure between teeth,The utility model comprises a brush head and a holding part;The brush head comprises a bristle part and a rod body,The rod body is connected to one end of the bristle part;The holding part includes a handle,A fixed part and a fixed cover,The fixing part is connected to the handle at one end,The other end of the fixing part is connected to the rod body of the brush head,The fixed cover is arranged outside the fixed part;This creation can be further equipped with a set of covers,The cover is arranged outside the brush head;The brush head of this creation is detachable and replaceable,Therefore, the user can change the brush head of different sizes as required,It is more convenient and environmentally friendly to use.本創作係為一種牙間刷結構,包含一刷頭部與一握持部;刷頭部包含一刷毛部與一桿體,桿體連接於刷毛部之一端;握持部包含一握柄,一固定部與一固定蓋,固定部以一端連接於握柄,且固定部以另一端連接於刷頭部的桿體,固定蓋則蓋設於固定部外;本創作可進一步設有一套蓋,以蓋設於刷頭部外;本創作的刷頭部為可拆卸並替換之刷頭部,因此使用者可視需求更換不同尺寸的刷頭部,於使用上更為便利與環保。