A cooking appliance comprising: a cavity to provide a cooking chamber, the cavity having a rear wall; a door to open and close the cooking chamber; a partition plate to partition the cavity into a first chamber and a second chamber, the partition plate facing the door in the closed state, wherein the door closes the first chamber; and a burner assembly disposed in the second chamber to supply heated air into the first chamber, wherein the burner assembly comprises: a burner cover (130, 630, 730); and a burner disposed in the burner cover, and wherein the burner cover comprises: a first cover having a first opening through which air within the first chamber can pass through; and a second cover coupled to the first cover and having a second opening, wherein the burner cover (130, 630, 730) partitions the second chamber into a combustion chamber and an exhaust chamber, wherein the burner is disposed in the combustion chamber, wherein the burner assembly further comprises a fan disposed in the exhaust chamber, characterized in that T the fan is disposed at a rear side of the burner cover (130, 630, 730) outside of the combustion chamber, and in that T the partition plate is coupled to the rear wall of the cavity. a cavity to provide a cooking chamber, the cavity having a rear wall; a door to open and close the cooking chamber; a partition plate to partition the cavity into a first chamber and a second chamber, the partition plate facing the door in the closed state, wherein the door closes the first chamber; and a burner assembly disposed in the second chamber to supply heated air into the first chamber, wherein the burner assembly comprises: a burner cover (130, 630, 730); and a burner disposed in the burner cover, and wherein the burner cover comprises: a first cover having a first opening through which air within the first chamber can pass through; and a second cover coupled to the first cover and having a second opening, wherein the burner cover (130, 630, 730) partitions the second chamber into a combustion chamber and an exhaust chamber, wherein the burner is disposed in the combustion chamber, wherein the burner assembly further comprises a fan disposed in the exhaust chamber, a burner cover (130, 630, 730); and a burner disposed in the burner cover, and wherein the burner cover comprises: a first cover having a first opening through which air within the first chamber can pass through; and a second cover coupled to the first cover and having a second opening, wherein the burner cover (130, 630, 730) partitions the second chamber into a combustion chamber and an exhaust chamber, wherein the burner is disposed in the combustion chamber, wherein the burner assembly further comprises a fan disposed in the exhaust chamber, a first cover having a first opening through which air within the first chamber can pass through; and a second cover coupled to the first cover and having a second opening, wherein the burner cover (130, 630, 730) partitions the second chamber into a combustion chamber and an exhaust chamber, wherein the burner is disposed in the combustion chamber, wherein the burner assembly further comprises a fan disposed in the exhaust chamber, the fan is disposed at a rear side of the burner cover (130, 630, 730) outside of the combustion chamber, and in that T the partition plate is coupled to the rear wall of the cavity.