Abstract: A portable charcoal-fired roaster including a housing defined with an internal space having an increased cross-sectional area as it extends upwardly, the housing having a bending flange at an upper end thereof, an inner support net seated on the bottom of the housing and adapted to provide a seat for charcoal blocks to be received in the housing in such a fashion that it supports the charcoal blocks in a state suspended from the bottom of the housing, the inner support net having an inverted U-shaped structure to define a space between the bottom of the housing and the top of the inner support net for receiving an ignition material, a plurality of charcoal retaining nets seated on the charcoal blocks laid on the inner support net to retain the charcoal blocks in such a fashion that the charcoal blocks are grouped into charcoal block groups spaced apart from one another and respectively retained by the charcoal retaining nets, each of the charcoal retain nets having a central upward protrusion with an inverted