Combustor and gas stove

The invention provides a combustor with a good air supplementing effect. A combustor comprises a combustor body, and the combustor body is provided with a plurality of nozzles, a plurality of sets of fire holes, an inner ring gas mixing cavity channel and an outer ring gas mixing cavity channel, the rectifying component comprises a first circulating part, a first circulating cavity is formed in the first circulating part and located between the inner ring gas mixing cavity channel and the outer ring gas mixing cavity channel, and the rectifying component is provided with a plurality of sets of air holes used for communicating the first circulating cavity with the outside of the rectifying component; an air outlet of the fan is communicated with the first circulation cavity. According to the combustor, airflow ejected by the fan is subjected to uniform flow speed reduction in a spiral mode through the first circulation cavity, then the airflow is uniformly diffused out of the rectifying component through the a