Hospital buildings are different from general public buildings, hospital buildings with high energy consumption, high safety performance requirements, complex medical processes, indoor and outdoor environmental requirements are strict. There are two problems in China's hospital buildings: one is high energy consumption, and the other is poor indoor environmental quality. In the "Green Hospital Building Evaluation Standard", the sum of energy saving part and indoor environmental quality part is 55% and 45% in the design and operation stages respectively.Therefore, to build a high-star green hospital building, high energy efficiency and high-quality indoor environment are indispensable.