To provide a bathroom partitioning storage shelf for securing a wider space in which articles are placed in use and allowing the articles to be put in an out through a dressing room in no use.

A storage space 5 is provided in a partition wall 1 which partitions a bathroom 3 from the dressing room 2. In the storage space 5 on the open side of the dressing room 2, a fall preventing material 6 is provided for covering only the lower part of the storage space 5 in a standing condition. The fall preventing material 6 is turnably formed in the condition of protruding in approximate horizontal to the side of the dressing room 2 via a shaft 12. It is flush with a bottom face 5b of the storage space 5 in the protruding condition, without protruding to the side of the dressing room in the standing condition.