The utility model relates to a interdental brush, which comprises a body, a scraping unit and a brushing unit. The body has a cleaning part and a hand-held part at opposite ends. The scraping unit includes at least one soft convex rib arranged around the cleaning part. The bristle unit comprises a plurality of bristles arranged on the cleaning part and staggered with the at least one soft rib.一種牙間刷，包含一本體、一刮除單元及一刷毛單元。該本體具有位於相反兩端的一清潔部及一手持部。該刮除單元包括至少一環繞該清潔部設置的軟質凸肋。該刷毛單元包括多束布設於該清潔部且與該至少一軟質凸肋交錯設置的刷毛。
