Abstract: Based on the existing hospital information system，the preoperative visiting information system was developed through real-time interactive terminal. The modules including preoperative evaluation，preoperative education，psychological care，quality control，and training management were established. The statistical function was added simultaneously. All the contents of preoperative visit were included in the system to make the system remind intelligently，warning early，and make clinical decision，all of which can make the visiting convenient，fast and effective.Through this system，medical resources and information can be shared and exchanged to ensure the safety of patients to a great extent.

Key words: Preoperative Period, Information System, Nursing Services