To solve inconvenience such as having difficulty in stacking charcoal and adjusting fire when igniting and taking time to extinguish fire in a general charcoal cooking stove.

A furnace cage characterized in that a small charcoal receiving metal plate 2 having air holes 3 in the bottom part of the cage 1 using a perforated metal plate and having an opening at the upper part is dropped to keep a space 4 to the bottom part of a container, is used to simplify stacking of charcoal and adjustment and extinction of fire to thereby compensate inconvenience. Further, the use of a charcoal cooking stove and supplementary equipment (a grill height adjuster and a fire making instrument) enhancing the characteristics of the furnace cage, simplifies stacking of charcoal and adjustment and extinction of fire to solve inconvenience.