Detachable and variable-size microwave steamer

The utility model discloses a detachable and variable-size microwave steamer. The detachable and variable-size microwave steamer is characterized in that the structure comprises an inner steaming disc (1), a middle steaming disc (2) and an outer steaming disc (3), wherein the inner steaming disc (1) is circular; the middle steaming disc (2) and the outer steaming disc (3) are annular, the inner diameter of the middle steaming disc (2) is equivalent to the outer diameter of the inner steaming disc (1), and the inner diameter of the outer steaming disc (3) is equivalent to the outer diameter of the middle steaming disc (2); a clamping buckle structure is arranged on a connection side among the inner steaming disc (1), the middle steaming disc (2) and the outer steaming disc (3); and air vents (5) are formed on the surfaces of the inner steaming disc (1), the middle steaming disc (2) and the outer steaming disc (3). The steamer disclosed by the utility model uses disc surfaces capable of being jointed, so that microwave containers in different sizes existing in home can be utilized for steaming foods; simultaneously, stable support in different states is realized by inserting a detachable support in a clamping groove in different states on the outmost layer, thus avoiding the possibility of turnover during the rotation of the steamer in a microwave oven; and moreover, the steamer is easy to clean and convenient to store.