Nephrolithiasis is a global problem affecting all geographical regions throughout the globe. It is the most common condition affecting the urinary system, with annual approximate prevalence of 3-5% and approximate life time prevalence of 15-25%. Although nephrolithiasis may occur at any age, onset is more common in young and middle-aged adults. Lifetime prevalence is estimated at 13% for men and 7% for women. Nephrolithiasis tends to be recurrent in most of the renal calculi patients. The rate of recurrence of renal calculi in patients after 1st time occurrence has been estimated to be 14% at 1st year, 35% in 5th year and 52% in 10th year.