In the freezers in stores or supermarkets, we can often see various signs attached to them. These signs are not only for aesthetic purposes, but more importantly, they are a way of conveying information. For example, a red sign written on the "hot pot ingredients", then the freezer has hot pot need ingredients; green sign written on the "vegetables and fruits", the freezer has a variety of vegetables and fruits. Therefore, the logo on the freezer is to facilitate consumers to more quickly find the goods they want to buy.

The logo on the freezer has various colors, generally can be divided into red, green, yellow, blue, purple and so on. Different colors of signs represent different meanings. For example, the red logo is often used to identify perishable food or hot pot ingredients needed, yellow logo is generally used to mark the beverage or dairy products, green logo is further subdivided, it is used to identify the vegetables, fruits, and fresh seafood, meat and so on. In short, the color of the logo is not chosen randomly, but there are rules to follow.

The biggest advantage of using the logo on the freezer is that it can quickly convey information about the goods, enabling consumers to quickly and accurately find the goods they want. This can not only improve the efficiency of consumers' purchasing, but also enhance the sales efficiency of enterprises and reduce marketing costs. In addition, the unity and standardization of the logo color can also enhance the brand image and consumer goodwill. Therefore, the logo on the freezer has a positive role in promoting the level of product sales and corporate brand image.