I. Items to be checked: 1. medical history, physical examination 2. routine blood and urine 3. coagulation time 4. urological ultrasound? 5.KUB+IVP 2.Optional items 1.Older and frail patients: liver and kidney function, fasting glucose, ECG 2.retrograde imaging, CTU, etc. 3.Patient preparation: 1.Psychological preparation 2.Intestinal preparation (lower and middle ureteral stones): laxative/glycerol enema before treatment, morning fasting 3.Semi-filled or filled bladder (lower ureteral, bladder stones) 4.Skin preparation: cleaning oil 5. Application of antibiotics (infected stones, large stones, urinary tract infections): oral administration for 3 d before lithotripsy or elimination of infection before lithotripsy