<p>A cylindrical microwave oven comprises a shell (1). An oven cavity (2) and a microwave generator (3) radiating microwave into the cavity (2) are provided inside the shell (1). A door (6) for closing or opening the cavity (2) is mounted in the front of the shell (1). An upper disk cover (21), a U-shaped board (22) and a lower disk cover (23) form a cavity (2) with a front opening (101). The U-shaped board (22) is supported between the upper cover (21) and the lower cover (23). The door (6) is a circular arc board for closing or opening the front opening (101) of the cavity (2) .</p>
