The present invention provides a cooker burner. A mixing pipe which is connected to a lower surface of a combustion head is arranged in the cooker burner to prevent malfunction due to accumulation ofdirt in a mixed gas supply flow path. The cooker burner (1) includes: a hollow combustion head (11) having a plurality of flame holes (23); a mixing tube (12) which is connected to a lower surface (111) of the combustion head (11), and mix fuel gas supplied from a gas supply unit (P1) and air, and guides the mixed gas to an inner space (20) of the combustion head (11); a flame detecting sensor (31) which is disposed adjacent and opposite to a specific flame hole (24), and is used for detecting the presence or absence of a combustion flame outside the specific flame hole (24). An inner tube portion (13) having an upper opened end and a height higher than the lower end height of the specific flame hole (24) is continuously provided on an inner side bottom surface (11B) of the combustion head(11) from the mixing tube (12).
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