The invention relates to a traditional Chinese medicine composition for treating chronic renal insufficiency, and relates to the technical field of traditional Chinese herbal medicine. The traditional Chinese medicine composition is prepared from the following raw materials in parts by weight: 25 to 35 parts of rhizoma alismatis, 25 to 35 parts of rhizoma atractylodis, 5 to 15 parts of gastrodia elata, 5 to 15 parts of uncaria rhynchophylla, 55 to 65 parts of astragali radix, 15 to 25 parts of salvia miltiorrhiza, 15 to 25 parts of radix puerariae, 15 to 25 parts of dogwood, 5 to 15 parts of ligusticum wallichii, 5 to 15 parts of radix aconiti lateralis preparata, 15 to 25 parts of radix ophiopogonis, 5 to 10 parts of Chinese parsnip root, 5 to 15 parts of angelica sinensis, 25 to 35 parts of medlar and 5 to 15 parts of prepared rhizome of rehmannia. The traditional Chinese medicine composition has the functions of nourishing the spleen and kidney, improving the blood, clearing away the heat and relieving internal heat of fever and is used for treating the diseases such as chronic renal insufficiency, renal failure and uremia. The traditional Chinese medicine composition for treating the chronic renal insufficiency has the characteristics that the raw materials are easy to get, simplicity in preparation is realized, the cost is low, the practicability is good, and the like.