血尿是临床工作中较常见的一个重要症状,它常表示泌尿系统有严重疾患,但也可能是全身疾病和泌尿系统附近器官疾病的一种表现。要正确诊断血尿的原因,必须了解和掌握各种疾病出现血尿的特点和它的规律性。许多疾病除血尿外常伴有泌尿系统其他症状或全身症状,这些对估计引起血尿的部位,血尿病因的推断,进一步检查和收集必要的诊断依据是非常必要的,本文就临床上较常见的一些疾病 Hematuria is a more common and important clinical symptom. It often indicates severe urinary tract disorders but may also be a manifestation of systemic and organ diseases in the urinary system. To correctly diagnose the cause of hematuria, we must understand and master the characteristics of various diseases and hematuria and its regularity. Many diseases in addition to hematuria often accompanied by other symptoms or systemic symptoms of the urinary system, which estimates the site of hematuria, hematuria, extrapolation, further examination and collection of the necessary diagnostic evidence is necessary, this article is more common in clinical disease