Brush grease on the surface of food to achieve a stronger reflective effect, and achieve the purpose of stimulating appetite by suggesting grease. Even fish, raw beef and other items can improve their luster and appetite through this method. Sesame peanut decoration is very common. If you don't eat such food, you will know that there will be a strong sesame fragrance. Red peppers and green peppers are very popular in Sichuan and Chongqing, as well as minced garlic. Japan will decorate some fried crispy skin and shredded squid. It is best to use granular red and yellow decorations to enhance appetite. In some greasy foods, vegetables and chopped green onion can be used instead.