Once, buildings are completed and started to use, various failures and troubles occur on a daily basis. However, while they have never released and analyzed the data, the basic information for the maintenance plan is insufficient. The purpose of this study is to clarify the maintenance characteristic of hospital facility and give the fundamental information for the maintenance plan. The maintenance records have ever been collected from five hospitals. First, this paper gave an outline of the collect data and the way to adjust it for detail analysis. Next, the employment systems of the maintenance workers in each hospital were shown and were compared with the office building one. Based on all equipment data, the maintenance characteristic of hospital facility was brought out from the total view point. And the feature of the failures and troubles were shown by the analysis on the architectural medical items which are most unique of all.
