Recurrence in stone disease is not uncommon.about half of patients have recurrence over a period of 10 years. Have operated stone sample analysis done by infrared spectroscopy and metabolic evaluation study for recurrent stone formation to know any inherent metabolic abnormality. Adequate water at regular intervals,avoidence of oxalate rich food,red meat,low sodium diet and avoiding obesity also helps. Mixture of potassium magnesium citrate mixed with glass of water thrice daily in doses of 15 ml every time also helps in prevention of recurrence