Figure 2.

The applications of CDSS in clinical work. The knowledge base was constructed through the key and prognostic information in structured medical records, literature and guidelines. The search engine was used to filter the best results from the knowledge base through key information and feedback to the doctors. The doctor could make a clinical decision based on the CDSS suggestion and their clinical experience to treat patients, and the prognostic information of patients should be studied by the knowledge base that forms a positive cycle.