Foeniculum vulgare is a cuisine spice of the Apiaceae genus, which is extensively cultivated in the world's tropical and temperate areas. Fennel seeds are developed mostly from dry and semi-dry regions in India. Recent studies have revealed pharmacological properties including antimicrobials, antidiabetic, antioxidants, anticancer and other activities. Fennel contains flavonoids, glycosides and other phytoconstituents present in it which used in medicinal ailments purpose. Phenolic compounds present in fennel can promote to the human health. Trans-anethole, estragole, fenchone and bioactive compounds kaempferol, quercetin, rosmarinic acid have been isolated from this plant and several associate with prospective human body mechanisms. The objective of this review to focusing on the nutritional value, botanical studies, phytochemicals and some major pharmacological actions of fennel to reveal the medicinal potential and future investigation aspects.