Microwave freezer is applicable to: meat, fish, poultry, fruit thawing and continuous thawing processing system for frozen baked products. The defrosting time can be reduced from several days to several minutes, and the temperature required for further processing of the product can be controlled at the same time. From any low temperature state to - 2 ℃ or - 4 ℃. Product features: fast, uniform temperature, temperature can be controlled, but the thickness of frozen products cannot be greater than 5cm.