Diabetic nephropathy is treated by Chinese medicine according to the classification of symptoms, as follows: 1. When the main symptom is Qi and Yin deficiency, the patient mainly appears tiredness and weakness, dry throat and mouth, and the concurrent symptoms are easy to eat, thirsty and drinkable, short of breath and lazy speech, irritable heat in the heart, palpitation and insomnia, nocturnal urination, weakness of the waist and knees, and constipation. The treatment is to benefit qi and nourish yin, and the formula is to add or subtract ginseng and astragalus dihuang Tang. 2. When the symptoms are identified as liver and kidney yin deficiency, the patient’s main symptoms are dizziness and tinnitus, dry mouth and throat, irritable heat of the five hearts, soreness and weakness of the waist and knees, and the other symptoms are dry eyes, seminal emission, slippery sperm, menstrual disorders, dry stools, and yellow urine. The treatment is to nourish the liver and kidney, and the formula is Liu Wei Di Huang Wan with addition and subtraction. 3. The main symptoms are fatigue, shortness of breath, lazy speech, poor appetite, soreness and weakness of the waist and knees, and the secondary symptoms are dry mouth and lack of desire to drink, distention and fullness of the abdomen, insubstantial stool, pale tongue with teeth marks, and sunken pulse. The main ingredients are astragalus, princeton, poria, atractylodes, raw earth, dogwood, cuscuta, yam, etc. In diabetic nephropathy, if there is also phlegm and stasis evidence, the phlegm and stasis evidence will generally be throughout the disease. The patient’s main symptoms are dark tongue, tortuous veins under the tongue, petechiae, petechiae, and sunken and thin pulse. If there is also damp-heat evidence, the patient also has frequent urination, urinary urgency, burning, astringent pain, tongue coating and pulse manifestation for the tongue coating yellow greasy, pulse slippery, the treatment is to clear heat and dampness as the main method, the formula choose eight Zheng San for addition and subtraction; 4, in addition to Chinese medicine to identify the disease and identify the evidence of medicine, there are also Chinese medicine its special treatment, such as retention enema treatment, for patients with advanced diabetic nephropathy.