Yin and Yang theory of traditional Chinese medicine theory is not only the essence of Chinese medicine,but also an important part of the theory system.It plays a very important role in the clinical diagnosis and treatment.The imbalance of Yin and Yang is the source of all diseases,diabetes,whether from heat or Yin huo,no matter from Xueqi,Neisun or Yuxue,they are all blame the body caused by imbalance of Yin and Yang,Yin and Yang disharmony is always through diabetes disease.