A case of chronic renal insufficiency treated with Angelica Sinensis Blood Tonic Soup combined with Sheng Sheng San and Er Chen Tang. Liu ××, male, 51 years old, lives in Beijing Aviation College Faculty. Initial diagnosis: March 2, 2005. Complaint: dizziness, lumbago and fatigue for more than 5 months. The patient has a history of “liver fire” with long-term application of gentian diarrhea liver pills, and recently found chronic renal insufficiency with blood creatinine fluctuating at 131-146umol/L. He came to our hospital for systematic treatment. The symptoms: dizziness, fatigue, weakness, weakness of the waist and knees, poor sleep, poor appetite, and still regulated bowel movements. Diagnosis: yellow face, light and dark tongue, white and greasy moss, sunken pulse. Differentiation: deficiency of kidney elements, internal stagnation of turbid toxins and loss of harmony of stomach qi. Treatment: Tonifying Qi, invigorating Blood, raising Qi and lowering turbidity, draining turbidity and harmonizing the stomach. Prescription: Radix Astragali 15g, Radix Angelicae Sinensis 12g, Rhizoma Ligustici Chuanxiong 12g, Radix Salviae Miltiorrhizae 15g, Perillae 6g, Fructus Sulforaphane 6g, Pericarpium Citri Reticulatae 9g, Fructus Cicadelliae 9g, Rhizoma Ginger 12g, Rhizoma Rheum 12g, Poria Cocos 12g, Poria Cocos 30g, Fructus Juniperus 12g, Fructus Cassiae 30g. Take 1 dose daily with water decoction. Combined with Zun Ren Bao Kidney Pill, 6 grams each time, brewed. Second diagnosis: May 1, 2005. After taking the medicine for more than 2 months, the dizziness was obviously reduced, the diet and sleep were good, the tongue was greasy, the pulse was sunken, the stool was twice a day, the blood creatinine was 123umol/L. Changed from soup to pill, 6g each time, twice a day, with water decoction. Third diagnosis: June 22, 2005. The medication is finished, the condition is stable, the mental state is good, no obvious discomfort. The disease continues to be stable. Medical advice to continue to take Chinese herbal medicine treatment. [Note] The nephrotoxicity of Chinese herbal medicine has received much attention in recent years. Some people even openly deny the role of Chinese medicine in protecting kidney function. In fact, the so-called nephrotoxicity of herbal medicines is closely related to the improper application of herbal medicines by doctors and patients, in addition to the certain nephrotoxicity of some plants containing aristolochic acid. The reason for this is because of the toxicity of the medicine. The cause of this is due to the drug poisoning of the kidney, damage to the kidney, the kidney with the disorder, dampness and evil poison caused by the internal growth. Therefore, as with other causes of kidney failure, the same attention should be paid to the preservation of the kidney yuan and the protection of the gastric energy, and attention should be paid to the treatment of draining and detoxification. The case is a long time to take the gentian diarrhea liver pill and drug-related kidney damage patients, treatment when the use of angelica blood can benefit the blood, with lifting and discharging turbid toxicity, smooth lifting, more Tu Fu Ling damp detoxification. The results of the medication quickly achieved better results. Practice has proved: Chinese medicine to protect kidney function does have a good effect. Even if it is drug-related kidney damage, Chinese medicine can also play a protective effect on the kidneys.