There are 45 categories of trademarks, because with the development of corporate brands, there must be a brand image, and some people like to scratch the ball and hitchhike, which may have a bad influence on the brand image of enterprises, so some enterprises will register all categories, and some enterprises will also register their own trademarks or English trademarks invisibly. The development strategy of each enterprise is different, so the strategy of registering a trademark is different. Advantages of trademark registration: 1 It can distinguish the source of goods or services and guide consumers to identify brands for shopping or consumption. 2 to promote producers or operators to continuously improve or stabilize the quality of products or services, create brands and seize the market. 3. It is the foundation of enterprise brand, which is conducive to market competition and advertising, and is a symbol of enterprise reputation and quality. 4. It is an important part of intangible assets of enterprises. It can be evaluated and financed, and its value can be realized by means of transfer, license to others or pledge. 5. It is a prerequisite for applying for national inspection exemption, provincial and municipal famous brands, well-known trademarks and quality certification. 6. Trademark is also a necessary condition for quality inspection, health inspection and bar code. 7. Trademark registrants enjoy the exclusive right to use trademarks, which are protected by law and are unique and exclusive nationwide. 8. An important guarantee to prevent competitors from malicious cybersquatting and causing losses to corporate agents. 7. Local industrial and commercial bureaus at all levels supervise the quality of goods and services through the management of trademarks.