Extracorporal shock wave lithotripsy (ESWL) is a significant advancement in the treatment of urolithiasis and has now been widely used clinically in China. It has showed satisfactory efficacy and been well accepted by both doctors and patients. Extracorporal shock wave lithotripsy (ESWL) is a significant advancement in the treatment of urolithiasis and has now been widely used clinically in China. It has showed satisfactory efficacy and been well accepted by both doctors and patients.