Provided is a burner including a burner head configured to receive a mixed gas; and a burner cap configured to cover the burner head, wherein the burner head includes an outer wall having a plurality of first flame holes at which flame are generated, an inner wall spaced from the outer wall and having a plurality of second flame holes at which flame are generated, and a mixed gas chamber formed between the outer wall and the inner wall, and a staying guide provided at an inner circumferential surface of the inner wall and configured to allow the mixed gas flowing from the mixed gas chamber to be stayed thereon.