Abstract This study aims to investigate the level of user satisfaction of the official document integration system for fundamental government institutions. Subjects of this study include administrative personnel of each level of schools of Kaohsiung County Government. Adopting the questionnaire method, a total of 156 effective questionnaires were collected with a return rate at 77.61%. Through a self-designed questionnaire entitled, ¡§Questionnaire on the level of satisfaction for the use of official document integration system¡¨ with items including information quality, system quality and service quality as the research tool, this study employs SPSS as the analysis tool and the statistic methods include reliability analysis, factor analysis, descriptive analysis, one-way ANOVA, independent t-test and Pearson product moment correlation analysis. The findings include: 1. There are no significant differences among each factor of variables such as information quality, system quality and service quality for the subjects of different ¡§gender¡¨, ¡§educational level¡¨, ¡§years of service¡¨, ¡§number of changes¡¨ and ¡§number of years of using the system¡¨. 2. Other than a significant difference on the level of satisfaction for the use of information, there are no significant differences among each aspects of variables such as system quality and service quality for subjects of different ¡§position¡¨, ¡§scale of school¡¨ and ¡§location of school¡¨. 3. Other than a significant difference on the level of satisfaction for electrical exchange and function operation, there are no significant differences in other factors in the service quality aspect for subjects ¡§with or without file management personnel¡¨. 4. Other than a significant difference on the level of satisfaction on the use of interface and customer service quality, there are no significant differences in the factors in the information quality aspect for subjects at different ¡§level of use of the system¡¨. 5. There are positive correlations among information quality, system quality and service quality. When the correlation index increases, it influences the level of satisfaction for the users on the official document integration system. In addition, the conclusions, limitations and suggestions are furthered described and investigated according the research findings.