To provide a cooking furnace structure, particularly an outdoor barbecue furnace.

This furnace has a shelf part 3 for scattering and spreading charcoal, two side walls 4 and one rear wall 5 vertically standing from the shelf part 3, and a cooking furnace hood 6 having a smoke discharge duct 7 finally held on the walls 4 and 5. The cooking zone of this principal structure is divided into a combustion chamber (a) and a cooking chamber (b). In this case, the end of a division 9 is engaged along the side walls 4 and a hollow part near the rear wall 5 is formed. Further, the upper opening and the lower opening parts are made visible and the lower opening part is used as a takeout port 19 for charcoal generated in the combustion chamber (a).