The production of dried vegetables is quite procedural. Eighteen kinds of knife processing by three methods require consistent thickness and length, and cannot be broken. Pay attention to the collocation of nutrients and the nutritional principle of medicated diet when making ingredients, and pursue the dietary effect of high protein and low fat. Both flour and raw flour can be used for sizing and hanging paste, but they must be sized before heating. Pay attention to seasoning and heating when cooking. After cooking, we should choose a good container, pay attention to the beautiful shape of the plate, and choose a special-shaped plate properly, so as to get to the point and arouse people's appetite. There are sequential principles when serving food, such as cold before hot, light before heavy, light before salty, salty before sweet, etc. , all contain corresponding scientific principles.