To easily define independent small living spaces within a living room as necessary by providing the unit with proper storing furniture and a partition panel which is installed in this storing furniture and is supported by the storing furniture and providing the partition panel so as to be drawn to the front side.

A partition unit is installed in a living room space in which a bed of a hospital, a home for the aged and a children' room (or a desk, a table) is disposed and is designed so as to define independent small living space within a living room space as necessary. This partition unit is provided with storing furniture (an upper storing part 10, a front open shelf 11, a drawing table 12) B and a partition panel A which is installed in the storing furniture B and is supported by the furniture B. This partition panel A is constituted so as to be drawn to the front side, and left and right space is partitioned by drawing this partition panel A along a sill 7 fixed to an upper guide rail 1 and a floor surface.