A rotary oven is a baking machine that can be used to dry and bake a variety of bread, cakes, meat products, and a variety of pastries and pasta. Widely used in food factories, bakeries, but also suitable for individual food processing plants, cake shops, and western-style pastry shops. Hot air rotating furnace is divided into the electric heating type and fuel oil type. It has the characteristics of automatic temperature control, over-temperature protection, timing, humidification, and hot air circulation. The whole food processed by the hot air rotary furnace is put into the furnace. After the rotary baking, the color and luster are uniforms, and the production efficiency is high.