The invention relates to Chinese medicine used for treating chronic kidney disease, especially for treating kidney inflammation, invisible kidney inflammation and nephritic syndrome, and a preparation method of the Chinese medicine. The medicine is made of yerbadetajo, Ligustrum lucidum, Leonurus japonicus, Salvia, Rehmanniae, Lonicera confuse, Madder, Lycium Chinese Mill and Scorpion. The medicine has the efficacy of replenishing vital essence, tonifying kidney-yin, activating blood and dissolving stasis. The medicine is mainly applicable to treating kidney deficiency as well as the chronic kidney disease, the invisible kidney inflammation and the nephritic syndrome and also can be used for treating the nephritic syndrome in conjunction with western medicine such as Glucocorticoid. The medicine can improve curative effect, put off recurrence and reduce the times of recurrence. The medicine of the invention can be made into any formulation which is suitable for clinical treatment, including powders, decoction, mixture, oral liquor, capsule, granular formulation and a condensed pill and so on.