The invention relates to a device for locking the door (2) of a bathroom, said device comprising a door (2) locking element (1) manually controlled from inside the bathroom, said locking element (1) being used for selecting the vacant and occupied states of the room and for locking the door (2) when the occupied state is selected, wherein said device includes an information member (3) arranged on the door (2) at least on the outside of the room and providing at least two piece of touch and visual information based on the state selected by the locking element (1), the information member (3) including raised icons (7) for providing touch information.