The invention discloses a traditional Chinese medicinal preparation used for treating nephritic syndrome. The traditional Chinese medicinal preparation used for treating the nephritic syndrome is prepared from the following raw materials in weight: 20-30g of polygonatum kingianum, 10-20g of gorgon fruit, 10-20g of parasitic loranthus, 10-20g of dried tangerine or orange peel, 10-20g of leonurus japonicus, 10-20g of poria cocos, 10-20g of Chinese yam, 10-20g of schisandra chinensis, 10-20g of hairyvein agrimony, 8-15g of alpinia oxyphylla, 8-12g of raspberry, 8-12g of cortex phellodendri, 8-12g of herba pyrrosiae, 8-12g of mantis eggcase, 8-12g of pulp of cornus and 8-15g of codonopsis pilosula. The traditional Chinese medicinal preparation used for treating the nephritic syndrome has the advantages that compatibility of medicines is excellent, both symptoms and root causes are treated, combination of tonification and purgation is realized, metal is strengthened by reinforcing earth, the effects of strengthening spleen and tonifying kidney, tonifying qi and strengthening exterior, clearing heat and drying dampness as well as alleviating water retention and treating stranguria are realized by the raw materials jointly, and the traditional Chinese medicinal preparation used for treating the nephritic syndrome has the advantages of definite curative effect, low cost, no side effect, high cure rate and low recurrence rate compared with the traditional therapeutic method, so that the traditional Chinese medicinal preparation used for treating the nephritic syndrome is worthy of being clinically popularized and applied.