血尿是临床上一个常见的症状，涉及范围较广。有些患者无其它症状，每易误诊。部分病例虽经系统检查，但一时难以明确诊断。为此收集我科1965--1981年成人血尿500例的临床资料，就其诊断问题提出几点探讨意见。 Hematuria is a common clinical symptom involving a wide range. Some patients have no other symptoms, each easy to misdiagnosis. Although some cases by the system check, but sometimes difficult to confirm the diagnosis. To collect the clinical data of 500 cases of adult hematuria in our department from 1965 to 1981, and to put forward some opinions on the diagnosis.