In July 2014,South Korea issued The Activation Plan of Zero Energy Building Corresponding to Climate Change,and accomplished the Top-Level design of Zero Energy Buildings. In the plan,national activation strategy and program implementation to promote Zero Energy Building has been established,as well as clear financial policy and project subsidy of Zero Energy Buildings. Meanwhile,South Korea has set up a national research program, having formed a national research team to develop Zero Energy Building technologies,and completed demonstration projects as well as established zero energy building rating standards,which achieved great social and economic benefits. This paper analyzes the development status,definition,development strategy,financial policy,core research and development program,typical demonstration projects as well as rating standards of Zero Energy Building in Korea.