||In recent year there has been rapid increase in the standardization of selected medicinal plant of potential therapeutic significance. Despite the morden techniques, identification of plant drug by Pharmacognostic study is more reliable. The rhizomes of Curcuma longa reported to have good medicinal values in traditional system of medicines. The present study deals with pharmacognostic parameters for the rhizomes of Curcuma longa which mainly consist of Macromorphology, Cytomorphology, Physico-chemical constants and Phytochemical screening. This information will be of used for further pharmacological and instrumental evaluation of the species and will assist in standardization for quality, purity and sample identification.