RESUMO
Objective: To design a hospital management information system based on attitude and perceived behavior control, and to explore the influence of the application of hospital management information system on the work performance of medical personnel. Methods: Through constructed hospital management information system and applied the work performance model of medical personnel to design questionnaire from three points of view included attitude, habits, subjective norm and perceived behavior control. And then the internal consistency and validity of the scale of measurement indexes of the questionnaire were tested, and the methods of statistical modeling and parameter estimation were adopted to carry out path analysis. Results: The results of primary estimation for the change situation of main medical indexes of application information system in earlier, middle and later stage indicated that the reliability of variates that were selected in this research was higher, and the consistency of interior of various variates was higher. At the three stages, earlier, middle and later stage, that information system was implemented, the person-time of leaving hospital, the number of inpatient surgery and the outpatient amount of expert displayed rising trend. And the drug proportion, average stay time decreased 9.45%, 3.36% and 16.16% and 4.27% respectively. Conclusion: Whether the hospital information system can be applied, the personal subjective factors of medical personnel play an important role.