目的探讨尿电导率的临床应用。方法 (1)留取120例健康体检者以及高血压、糖尿病、泌尿系统结石患者的尿液各60例,分别用UF-50i检测尿电导率值,并对120例健康体检者尿电导率进行正态分析后计算出正常参考范围;(2)回顾性分析UF-500i检测高血压、糖尿病、泌尿系统结石患者各60例的尿电导率数值。结果 (1)UF-50i检测健康体检者尿电导率参考范围为13.37~30.28 ms/cm;(2)UF-50i检测高血压组、糖尿病组、泌尿系结石组患者的尿电导率值分别与健康体检组比较均偏低,且差异均有统计学意义(P<0.01);(3)UF-50i和UF-500i测定高血压组、糖尿病组、泌尿系结石组患者的尿电导率值比较,差异均无统计学意义(P>0.05)。结论尿电导率是能广泛应用于评价肾小管浓缩稀释功能的良好临床指标。 Objective To investigate the clinical application of urinary conductivity. Methods (1) Sixty urine samples were collected from 120 healthy subjects and patients with hypertension, diabetes mellitus and urolithiasis respectively. UF-50i urine conductivity was measured and urinary conductivity was measured in 120 healthy subjects The normal reference range was calculated after normal analysis. (2) The urinary conductivity of 60 cases of UF-500i in patients with hypertension, diabetes mellitus and urolithiasis was retrospectively analyzed. Results (1) The reference range of urine conductivity of UF-50i in healthy subjects was 13.37-30.28 ms / cm. (2) The urinary conductivity values ​​of UF-50i in hypertensive group, diabetic group and urolithiasis group were (P <0.01). (3) UF-50i and UF-500i measured urinary conductivity in patients with hypertension, diabetes mellitus and urolithiasis , There was no significant difference (P> 0.05). Conclusions Urinary conductivity is a good clinical indicator that can be widely used to evaluate the concentration and dilution function of renal tubules.