This creation system provides a kind of structural improvement of dental floss stick, it is mainly made of a main body, a wire body and a coating member, by the coating member in winding what wire body, when carrying out reciprocating movement between slot, through pushing and pull produced by the coating member different degrees of contact area, to reach the purpose removing and taking away swill between slot and increase wire body intensity.本創作係提供一種牙線棒之結構改良，其主要由一主體、一線體與一包覆件所組成，藉由纏繞於線體上之包覆件，在齒縫間進行往復活動時，透過推擠與拉扯該包覆件所產生不同程度之接觸面積，以達到清除並帶離齒縫間食物殘渣以及增加線體強度之目的。
