Traditionally, many indigenous plants are identified for their impending supply of medicinal compounds which are used in traditional medicine. Herein, the in-vitro anti-cancer property of Kaempferol-6-methoxy7-O-glucoside was once isolated from Lantana camara flowers. This compound was once characterised through 13C, 1H NMR, FT-IR and UV spectroscopy. Lantana camara flowers have been found the very best anti-cancer activity due to absolute best flavonoids content. This medicinal plant has potential flavonoids composition which should supply scientific evidences for the usage of in the remedy of most cancers.