The security of HIS database is significant for a hospital.This paper introduces various methods for database backup,and designs a plan to backup HIS database by two methods simultaneously.

Network management is very important for its effective operation in the hospital.From the aspects of fault management,configuration management,performance management,charging management,safety management,this paper proposes a high-efficiency and low-cost method for network management in the hospital.

Three-tier architecture develops the traditional C/S architecture and stands for application's future.This paper compares C/S architecture with three-tier architecture and designs one medical information query system using three-tier architecture technique.

Low self-certainty of patient satisfaction evaluation in patient satisfaction survey is found in the survey to be the main cause for the failure that satisfaction scores cannot precisely indicate the correct satisfaction level of patients for medical services received; it is stated in the study that psychological bias in the survey can be reduced by means of reasonable choice of survey scenario, clear notice of survey's objective, and independent completion of survey questionnaire by the patients; it also stated the theoretic references and research clues in studying patient satisfaction uncertainty, as a mathematic model is built for such study, for the purposes of better advancement of the theoretic study and practice of patient satisfaction.

With the wide spread of social health insurance system,Xinqiao hospital,a health insurance unit,interfaces HIS with health insurance system.With the application to Xinqiao Hospital and key features of health insurance system presented,this paper introduces the method for interfacing HIS of ″No.1 Military″ Project with health insurance system,thus can be referenced by other hospitals.

With No.1 Military Project, ambulatory fee department can't determine the situation of ambulatory expenses, such as personal expenses, sums of all types of fees as well as their distribution in different departments. This paper develops an ambulatory expenses inquiry and statistics system for free patients on the basis of PowerBuilder 8.0.