143 cases of the Qi and Yin deficiency syndrome of chronic primary glomerulonephritis were treated with the method of supplying Qi and nourishing Yin,regulating collaterals and clminating wetness. The results showed that the total effective rate reached 88.11%. The P value was very significant(P<0.05) as compared with two control groups (66.52% and 57.14% respectively)Data from clinic and animal expweriments suggest that the mechanism of the method is reducing the morbid change of glomeruli and speeding up ...