According to Chinese policy of building energy efficient thermal insulation of external walls we draw the conclusion that energy requirements in building energy efficiency play an important role,and focuses on commonly used energy-saving materials in external wall insulation technology and innovation to enable the sustainable development of building energy saving.

In accordance with the type of external wall insulation technology and various types of insulation principles,characteristics,wall insulation and energy-saving performance materials,to promote research in the external wall insulation technology,new energy-saving materials to strengthen the development and utilization in order to really Achieve energy-saving construction.

On the application of external wall insulating technique;

It analyses the relation of the main space of living and architectural energy saving,through the introduction of several external wall insulating technique,it discusses the importance of external wall insulating technique to the design of architectural energy saving,to get the good results of better using the natural resource and increasing the energy using ratio in living architecture.