To provide an attaching structure for the legs of a table or the like that is small and lightweight, has sufficient support strength, has good appearance, and is easy to install.

Leg supports 3 are hung from and attached to a base 5 (5a), and a support member 6 positioned beneath the base 5 and having a recess for receiving the base 5 and through holes 12, 13 for the leg supports 3 is fastened to the base 5 by means of bolts 29. Receiving portions 18 are provided horizontally at the front and rear of the support member 6, and front and rear reinforcing rods 7 which abut the lower surface of a top plate 4 are fitted into the receiving portions 18 and are fastened to the support member 6 by means of bolts 24. Further, the support member 6 and the top plate 4 are fastened together by means of bolts 32 and the base 5 is sandwiched in place between the support member 6 and the top plate 4.