To generalize the current situation and perspective of TCM prevention and treatment for diabetes and its complications.Methods:We reviewed the current state of prevention and treatment for diabetes and its complications with TCM based on the summary of ancient and modern literatures.The disease location is in spleen，stomach，liver and kidney and the basic pathogenesis is that heat damages yin and qi.The clearing heat and tonifying qi and yin method should be valued.Diabetic complications always have the pathogenesis of the blood stasis obstructing collateral and the formation of “micro-abdominal mass”.The method of dispersing node and aggregation should be valued.Conclusion:TCM is an effective treatment for diabetes，diabetic kidney disease，diabetic retinopathy，diabetic foot and other diabetic complications.But the prevention and treatment of diabetes and its complications with TCM still meet many problems.More attention should be taken to the literature research，experience inheritance of famous veteran doctors of TCM，to make sure that the advantages of TCM and individualized treatment of TCM are scientifically evaluated，so that theoretical innovation of TCM can be promoted.