Kidney disorders have always remained a major area of concern for Unani Scholars since a long time. Well known is the fact that kidney perform several important functions whether it is formation of urine or elimination of nitrogenous substance from the body.Kidney is an important organ that performs several important functions in the body viz, excretion of waste products resulting from protein metabolism, regulation of acid base balance by excretion of H+ ions (acidification) and bicarbonate ions, regulation of salt water balance by hormones secreted both intra and extra-renally, formation of renin and erythropoietin and there by a role in the regulation of blood pressure and erythropoiesis respectively. It is often attacked by a variety of micro-organism, drugs, and chemicals that affect the renal functions with adverse effects on the human health.