Terminalia arjuna (Roxb.) Wt. and Arn. (Arjuna; Combretaceae) is a widely used medicinal plant throughout India and popular in various Indigenous System of Medicine like Ayurveda, Siddha and Unani. In the Indian System of Medicine, the bark are used as astringent, cooling, aphrodisiac, cardiotonic, tonic, in fractures, ulcers, spermatorrhoea, leucorrhoea, diabetes, cough, tumour, excessive perspiration, asthma, inflammation and skin disorders etc. The present review is therefore, an effort to give a detailed survey of the literature on pharmacognosy, phytochemistry and pharmacological activities of the plant.