the trademark of a famous brand is an important symbol of an enterprise, which bears the quality, value, popularity and market share of the product. Trademark is a unique logo of an enterprise in the market. Through trademark, consumers can quickly identify the source and brand of products. A well-known trademark is usually associated with high-quality products, because enterprises will establish and maintain brand reputation by constantly improving product quality. At the same time, a valuable trademark can also bring business opportunities and competitive advantages to enterprises, because consumers trust well-known brands more and are willing to buy and pay higher prices. Well-known trademarks can also help enterprises establish competitive advantages in the market, increase market share and attract more consumers' attention and choice.