To provide a lavatory structure, in which the usability for the aged is improved and which can easily cope even with the case of a wheelchair user in future.

In the lavatory structure, a lavatory 11 and a toilet 12 are installed adjacently into one lavatory 1 space while a partition 2 having size in an extent that a sight line from the lavatory 11 side is interrupted is mounted on the side of a stool 12a of the toilet 12, and going and coming can be conducted between the lavatory 11 and the toilet 12 without opening and closing a door. In the wash room structure, the partition 2 is constituted of a handrail 21 set up between a floor face 6 and a ceiling surface 7 and a wall body 22 in which one side frame 26a is fixed onto the handrail 21 and the other side frame 26b is fixed onto a wall surface 8.