Diabetes is a common disease in clinic, Yin deficiency and dryness heat are its basic pathogenesis. The "heat" can be roughly divided into deficiency-heat, dryness-heat, fire heat, dampness-heat, phlegm-heat, turbidity toxin-heat,stagnant heat and accumulation-heat throughout the diabetes pathogenesis. The corresponding treatment guidelines were promote salivation and cooling, reinforcing kidney and strengthening resistance; eliminating dampness and heat-circulate the water;clearing heat-removing toxicity-depressing qi; remove dampness-heat, ...