The utility model relates to an interdental brush, which comprises a brush main body and a set of covers. The brush main system is composed of a rod body and a brush hair part. The brush hair part is arranged at one end of the rod body, the cover has a storage space, and a mouthwash is arranged in the storage space. The cover is arranged at one end of the rod body which is provided with a brush hair part, the cover is covered with the brush hair part, and the brush hair part is immersed in the mouthwash water in the cover. The utility model provides a toothbrush with mouthwash, which not only has the function of cleaning the teeth seam, but also has the effect of sterilization and deodorization.一種齒間刷，其包含一刷主體以及一套蓋，刷主體係由一桿體及一刷毛部構成，該刷毛部係設置於桿體之一端部，套蓋具有一收納空間，於收納空間內設有漱口水，該套蓋係套設於桿體設有刷毛部之一端，套蓋係覆蓋刷毛部，且刷毛部係浸沒於套蓋內之漱口水中，藉此提供一種含浸有漱口水之齒間刷，不僅具有清潔牙縫的作用，同時具有滅菌、除口臭等效果。
