Spraying cooking oil hot air drying process is the professional name of non-fried food, it is the difference between fried and fried is the same kind of product, fried is processed with the oil heat drying process, fried food grease content is higher, the moisture content is lower. The principle of non-fried food is similar to baking, from the flavor and texture, fried food will taste better. From a nutritional point of view, the drying process due to the lower temperature than deep-fried, the loss of nutrients to be smaller, the calorie content is also relatively low, the oil is less, the moisture content is significantly higher than deep-fried, the oil temperature is lowered, the acrylamide content is relatively low. In addition, from a safety point of view, non-frying use of oil is a one-time, and deep-fried oil is likely to be repeated many times, the former is safer.