Using information on the Emergency Department of the Sino-Japanese Friendship Hospital-reconstructed in January of 2002-as primary data, the authors provide a general view of the model for the building, management and development of emergency departments in China in the 21" century. There are two aspects to the issue. One concerns the composition of the hardware architecture of the emergency department, including emergency medical service system(EMSS), modified layout and facilities, medico-technical departments with a complete range of functions, rational emergency medical service procedures as well as pie-hospital first aid and facilities for long-distance network medical treatment. The other concerns the composition of the software architecture of the emergency department, including the transformation of the employment system of emergency medical personnel, the change of emergency service concepts, the personnel performance and financial control of the emergency department, and the development of an emergency department culture.