Urinary stones are one of the common diseases in urology with high recurrence rate. Patients with urinary stones cannot simply practice drug de-stoning or extracorporeal lithotripsy, but should be examined in detail and individualized treatment plan should be developed. 1. Imaging tests: ultrasound, urogram (KUB plain), intravenous urography (IVU), CT scan, retrograde or percutaneous nephrostomy, magnetic resonance water imaging (MRU), etc. 2. Laboratory tests: blood analysis, urinalysis, urine culture, stone composition analysis.