The atrium is an ancient concept. It has appeared in all kinds of buildings. Some methods about the atrium design are discussed in this paper from different aspects, in order to improve the ecological environment and reduce the energy consumption in the modern atrium buildings. The research used the comparative studying ways, combining various factors affecting the environment in modern architecture atriums. The best solution of the ecological atrium design is found by the analysis. It tells us the principles in the design of the ecological atrium from natural ventilation, the lighting, and virescence. All these aim at further understanding of the factors influencing the atrium, and providing a reference for the modern architecture design in the future. The conclusion of this paper can be applied directly to the design of public buildings, so as to effectively improve the ecological environment of our country. Thus, it is of great significance.