尿路结石包括肾、输尿管、膀胱和尿道结石,中医称为石淋、沙淋等。尿路结石除可引起腰痛、腹痛、尿血等症状外,主要危害是可造成尿梗阻,易诱发尿路感染、肾积水等,从而影响肾脏功能。据研究,每日尿量少于1000毫升者,晶体产生的机会明显增加;每日尿量少于500毫升则处于成石的危 Urinary tract stones, including kidney, ureter, bladder and urethral calculus, Chinese medicine known as Shi Lin, Sha Lin and so on. In addition to urinary tract stones can cause back pain, abdominal pain, hematuria and other symptoms, the main harm can cause urinary tract obstruction, urinary tract infection easily lead to hydronephrosis, etc., thus affecting renal function. According to the study, the daily urine output of less than 1000 ml, the crystal significantly increased the chances; daily urine output of less than 500 ml is at risk of