Hot air convection structure and oven

The embodiment of the utility model belongs to the technical field of ovens, and provides a hot air convection structure and an oven. The hot air convection structure comprises a cavity assembly and a hot air convection assembly; the cavity assembly comprises a cooking chamber, a hot air convection plate is arranged on one side wall of the cooking chamber, and the hot air convection assembly comprises a hot air mounting plate, an air guide plate and an air supply unit; the hot air convection plate is provided with a stretching convex hull; the air guide plate is arranged between the hot air convection plate and the hot air mounting plate and connected with the hot air mounting plate, folded plates are connected to the periphery of the air guide plate, the folded plates correspondingly abut against the side walls of the stretching convex hull to form a heating cavity, at least one first air outlet is formed in any side wall, and at least one air inlet is formed in the middle of the front plate; the air supply