A kind of dental floss stick includes grip part, dental floss portion and bristle. Grip part includes first end and the second end opposite with first end. What first end is arranged in dental floss portion, and what second end is arranged in bristle, between can be used to rotation or the what slot that stretches back and forth.一種牙線棒包括握持部、牙線部以及刷毛。握持部包括第一端及與第一端相對之第二端。牙線部設置於第一端,刷毛設置於第二端,可用以旋轉或來回伸縮於齒縫間。