Taraxacum officinale (dandelion), a member of the Asteraceae family, commonly found in the temperate zone of the Northern hemisphere, is the perennial herb, forming a rosette leaf, golden yellow flowers that bloom year round. Dandelion leaves, roots and flowers is used in many traditional and modern herbal medicinal systems. On phytochemical investigation, Dandelion herb contains one or more vital phytochemical constituents. Similarly Among the most important compounds in dandelion Contains sesquiterpene lactones which is a bitter element, principally contains taraxacin and taraxacerin, which is principally important in mechanism of liver functions related with hepatoprotective action. Besides that result of the phytochemical investigation revealed the presence of sterols, phenolic acids, flavonoids, that have been shown to be associated with numerous pharmacological effects such as Antioxidants, anti immflammatory, antidiabetics, antitumor activity. Along with that the Dandelion leaves are a high efficient source of vitamins and minerals, including beta carotene, non-provitamin A carotenoids, xanthophylls, chlorophyll, vitamins C and D, many of the B-complex vitamins, choline, iron, silicon, magnesium, sodium, potassium, zinc, manganese, copper, and phosphorous which is also useful as a several nutritive action. This review will point out areas for future research of phytochemicals containing Taraxacum officinale where they shows more effective against various ailments and shows recent effective pharmacological activity