After the reform and opening up,China's economy has developed rapidly.But in the process of economic development,the ecological environment has also paid a huge price.The destruction of the ecological environment directly affects survival and development of people.Therefore,it is necessary to strengthen environmental governance.Everyone has also begun to focus on low-carbon development.The construction industry is a serious waste of building materials with large energy dissipation.Therefore it is also a key industry for low-carbon transformation.This article mainly analyzes low-carbon building design technology and studies specific development strategies.