Adiantum capillus-veneris (Pare-siavashan in Persian, Maidenhair fern in English), a plant of the Pteridaceae family, a well known medicinal plant in the Unani system of medicine, has been traditionally used for its diuretic, antipyretic, demulcent, emmenagogue, expectorant, and deobstruent properties. Various parts of the plant, including its leaves, roots, and stems, are employed in the treatment of kidney stones, diabetes, thyroid disorders, fungal infections, and respiratory ailments. Recent stud ies have highlighted its rich phytochemical profile, including the presence of triterpenoids, flavonoids, and other bioactive com pounds. Pharmacological investigations have revealed a broad range of activities such as antioxidant, antimicrobial, antifungal, antidiabetic, anti-obesity, wound healing, lithotriptic, and antiandrogenic effects. The plant is also widely used for managing hair related conditions like alopecia and dandruff. However, due to its anti-implantation effect, it is contraindicated during pregnancy. The findings discussed in this review underscore the therapeutic potential of Adiantum capillus-veneris and emphasize the need for further preclinical and clinical research to validate and expand its medicinal applications.