Furniture assembly and mounting device and mounting method thereof

A furniture assembly, comprising:

• a panel comprising a first predetermined part and a second predetermined part, wherein the first predetermined part comprises an extended section and a supporting section, the extended section is extended from the panel, and the supporting section is located adjacent to the extended section;
• a mounting member configured to be mounted to the panel, the mounting member comprising a first supporting part and a second supporting part, wherein the first supporting part is configured to abut against the supporting section of the first predetermined part of the panel, and the second predetermined part of the panel has a supporting surface configured to support the second supporting part;
• at least one fastening member configured to connect the mounting member to the panel, and
• an auxiliary member configured to be connected to at least one of the mounting member and the panel, wherein the auxiliary member and the mounting member form a mounting device, the auxiliary member comprises at least one flexible part having a first surface and a second surface opposite to the first surface, the first surface is arranged with a buckling section configured to buckle the mounting member, and the second surface is arranged with a holding section configured to abut against the panel.