To provide a connecting structure between a desk and a partition panel, which can connect the desk and the partition panel together easily, firmly, and with good appearance, without carrying out special work to the desk or the partition panel through a simple structure, or without lifting up the desk or the partition panel.

According to the connecting structure, an adjuster bolt 22 is erected from an upper edge of a floor contact member 21 of an adjuster 20, and screwed into a screw hole 19 formed in a lower edge of the partition panel 3. Then an insertion hole 41 which is formed in a horizontal piece 40 of a connection bracket 39 is fitted onto the adjuster bolt 22 at a location between the upper edge of the floor contact member 21 and a lower edge of the partition panel 3, and an erect piece 42 erecting from a side edge of the horizontal piece 40 of the connection bracket 39 is secured to a side surface of the desk 1.