A cooking appliance comprising: an oven part including a cavity in which a cooking chamber is formed; a cooktop part that includes a top plate covering an upper portion of the cavity so that an upper space is formed between the cavity and the top plate and at least one cooktop heating part of which at least a portion is disposed in the upper space; wherein the oven part includes an exhaust duct (41, 241) that forms a passage connecting an inside of the cooking chamber and an upper portion of the top plate; a blocking part (100, 200) that blocks at least a portion of a movement path of water flowing downward from an inside of the exhaust duct (41, 241); (41, 241); characterized in that the oven part further includes an exhaust port vertically passing through an upper surface of the cavity; a burner disposed inside the cooking chamber; an ignition device disposed below the exhaust port; and a protrusion wall part protruding upward from an edge of the cavity surrounding the exhaust port, wherein the blocking part (100, 200) is disposed behind the ignition device and protrudes upward; and a width of the blocking part (100, 200) in a left-right direction is greater than a width of the ignition device in the left-right direction, wherein a height of the blocking part (100, 200) is greater than a height of the protrusion wall part, wherein the exhaust duct (41, 241) includes a first duct part adjacent to the exhaust port, the first duct part being inclined in a rearward direction, and wherein the blocking part (100, 200) is disposed between the exhaust port and a rear sidewall of the first duct part. an oven part including a cavity in which a cooking chamber is formed; a cooktop part that includes a top plate covering an upper portion of the cavity so that an upper space is formed between the cavity and the top plate and at least one cooktop heating part of which at least a portion is disposed in the upper space; wherein the oven part includes an exhaust duct (41, 241) that forms a passage connecting an inside of the cooking chamber and an upper portion of the top plate; a blocking part (100, 200) that blocks at least a portion of a movement path of water flowing downward from an inside of the exhaust duct (41, 241); (41, 241); characterized in that the oven part further includes an exhaust port vertically passing through an upper surface of the cavity; a burner disposed inside the cooking chamber; an ignition device disposed below the exhaust port; and a protrusion wall part protruding upward from an edge of the cavity surrounding the exhaust port, wherein the blocking part (100, 200) is disposed behind the ignition device and protrudes upward; and a width of the blocking part (100, 200) in a left-right direction is greater than a width of the ignition device in the left-right direction, wherein a height of the blocking part (100, 200) is greater than a height of the protrusion wall part, wherein the exhaust duct (41, 241) includes a first duct part adjacent to the exhaust port, the first duct part being inclined in a rearward direction, and wherein the blocking part (100, 200) is disposed between the exhaust port and a rear sidewall of the first duct part.