The development and application of health decision support system (HDSS) in clinical service and health management is efficient in controlling health expenditure rising from overlapped examinations, and in reducing medical errors rising from insufficient decision-making support tools. Typical HDSS in America includes CPOE, MYCIN, QMR, NEDSS etc., which are mainly used in disease diagnosis and treatment, public health emergency management, hospital management, and health insurance management. The successful experiences accumulated in the development of the US health decision support system are worth referring to, such as, integration of management system, decision-makers and ICT, meeting the urgent needs of clinical service and health management, effective E-health construction, and rational development pathway from clinical decision support system to health management decision support system.
