Background: Sarang semut (Myrmecodia pendens) is a traditional plant that has been known to containanti cancer components. Flavonoids and tannins were contained in sarang semut plant which are believedhas cytotoxic effect against cancer cell line. This study aims at cytotoxic effect ethanolic extract of sarangsemut at various concentrations on HeLa cervical cancer cell line.Design and Method: T…