Guojiao 1573 is a famous liquor brand, and blue is a symbol under the Guojiao 1573 packaging box. On the packaging box of Guojiao 1573, there is usually a blue logo with the words and pictures of "Guojiao 1573" printed on it, which is the trademark of the brand. A trademark is a company or brand's unique identity that distinguishes its products from those of other competitors. Therefore, the blue logo represents the recognition and identity of the Guojiao 1573 brand.