Objective:To observe the effect of Shen Shuai KeLi on endothelin(ET) and nitrogen monoxide (NO) of chronic renal failure (CRF). Method: 60 patients with CRF were randomly divided into two groups. 30 patients in treatment group were treated with ShenShuai KeLi ; the other 30 patients in control group were treated with oxyamyli tectus aldehydum, The blood urea nitrogen ( BUN ), serum creatinins (Scr), NO, ET and creatinine clearance rate (Ccr) were detected in both groups. Results: Compared with those in control group, the BUN, Cr,...