Abstract
Aim of this study is to search problems of hyerarchical assembly facilities. This report, especially, analyses the relations between facilities of each level and degree of room use, users. The conclusions are follows : 1. Facilities of upper level have many kinds of rooms and many rooms. But, in facilities of each level, council rooms (as multipurpose room), especially those of small scale, are the most useful than the other rooms. 2. In this report, use of facilities are separated participation to lectures and use of rental-room. In use of rentalroom, facilities of upper level are mainly used by occupational group, and those of lower level are mainly used by private group. Therefore, facilities of upper level cannot include those of lower level.