Food model is a good "spokesperson" for food. There are various forms of simulated food models, which are both beautiful and vivid, showing their grades. Whether in restaurants or supermarkets, the lifelike feeling of food models reproduces almost all the advantages of food itself, especially the feeling of inducing "appetite", giving people a refreshing effect. < P > Food models can save a lot of advertising costs, and "permanent freshness display" maintains a good fashion. Ming-dang ordering and authentic food display both require maintaining the "freshness" of the dishes themselves, and need to be equipped with expensive refrigerated fresh-keeping order cabinets. The investment is very huge, and it is difficult or impossible to maintain the freshness of authentic dishes for a long time. Food model can not only save electricity consumption, but also strongly stimulate consumers' appetite because of the "permanent freshness display" of the product itself, and guests are easily attracted by food model.