Abstract: This paper introduced the evaluation index and calculation method of earthquake emergency preparedness capacity. On basis of redesigning of the function and system architecture of the emergency preparedness assessment software using BI (business intelligence) the software technology, we developed a set of three-level disaster preparedness analysis software for provinces, cities and counties. The test results of the software in 4 cities in Yunnan province show that, it is easy to use and reliable, which can help local governments to carry out earthquake emergency preparedness work.