Abstract: A combination foot member is disclosed to include two parts that are assembled by inserting the guide board of one part of the foot member into the bottom receiving chamber of the other part of the foot member to let the L-shaped stop member at one part of the foot member stopped at the stop flange at the other part of the foot member for enabling the guide board of one part of the foot member to be respectively engaged into the bottom receiving chamber of the other part of the foot member. In case an excessive force is applied to foot member when adjusting the pitch between the parts, the respective L-shaped stop members will be stopped at the corresponding stop flanges, preventing falling of the parts from each other accidentally.