Althaea Officinalis Linnaeus is a perennial plant with light brown colored, long and thick roots, ovate-cordate, slightly toothed leaves, and pale pink or pale purple-colored flowers. It is commonly known as “Marsh Mallow” is one of the important medicinal plants used in Unani medicine, All the parts contain mucilage, and it is having emollient, analgesic, astringent, hemostatic, expectorant, laxative, cleansing, demulcent, concoctive, diuretic, emmenagogue, anti-inflammatory, and exhilarant properties.4 In Unani medicine, Khatmi has been used for several centuries to treat inflammatory disorders like Warme Reham (metritis), Warme Piston (mastitis), Warme Ama (enteritis), Wajaul Mafasil (arthritis), Qaulanj (colitis), Zatur Riya (pneumonia), Warme Shoib (bronchitis), etc.5 chemical constituents contain Pectins, Hypolaetin-8-glucoside, Isoquercitrin, kaempferol, caffeic, pcoumaric acid, ferulic acid, p-hydroxybenzoic acid, salicylic acid, p-hydroxyphenyl acetic acid, vanillic acid. Scopoletin, herniarin, warfarin β-sitosterol, campesterol, stigmasterol, Isoquercitrin, ellagitannins, gallic acid L-Aspartic Acids, L-Asparagine, Threonine, Methionine, L-Glutamic acids which helps act as anti-Inflammatory, immunomodulator, antimicrobial, antiviral anti-cancer, hypoglycaemic, hypolipidemic, scavenging activity, Antitussive and anti-complement activity in the human body. This paper reviews the detailed literature of this plant species including taxonomy, pharmacology, Phyto Chemical Constituents, and pharmacological activities in an organized way. This review paper will surely serve as an important source for future scientific investigations on this plant.