In Chinese medicine, diabetes belongs to the category of thirst disorders and is a type of disease based on Yin deficiency. The onset and progression of the thirst disorder to the nephropathy of the thirst disorder is mostly due to Yin deficiency, which is accompanied by phlegm-heat blockage, and belongs to the evidence of deficiency of the root and the symptoms. Among them, edema is the main manifestation, mostly due to deficiency of spleen and kidney or failure of kidney yang and spleen yang. In Chinese medicine, diabetic nephropathy is mainly due to deficiency of spleen and kidney, depletion of qi and yin, retention of water and dampness, and blockage of phlegm, and belongs to the category of original deficiency and superficial actuality.