Combustor, combustion assembly and cooking utensil

The burner comprises a first body and a second body, the second body is arranged at the bottom of the first body and matched with the first body, a containing cavity is defined between the first body and the second body and used for being communicated with a fuel gas pipeline, a fire hole set is formed in the second body, and a fire hole is formed in the fire hole set. The fire hole set is communicated with the containing cavity. According to the burner, the first body and the second body are arranged up and down, the second body is arranged at the bottom of the first body and matched with the first body to form a cavity structure, and the fire hole set is formed in the second body. In the prior art, fire holes are formed in the combination position of an upper plate and a lower plate, fire hole combustion is affected by a riveting structure of the upper plate and the lower plate, and therefore the conditions of poor fire transfer and insufficient gas combustion are caused, in the combustor, the fire hole set is formed in the second body, the influence of a connecting structure of the combustor is avoided, and the combustion efficiency is improved. And the fire transfer effect is improved, and sufficient combustion of fuel gas is guaranteed.