Answer: It mainly has the functions of differentiation and identification, quality supervision, consumption guidance and advertising. Distinguish the production units of clothing through trademarks and examine the quality of clothing. The identification function is to understand the raw material composition, model, usage method, etc. of the clothing. The role of quality supervision can be divided into two roles: legal supervision and corporate supervision. According to my country's "Trademark Law": "The user of a trademark shall be responsible for the quality of the trademark he uses." 'If consumers purchase low-quality clothing, they can complain to the consumer association based on the content marked by the trademark. This is the supervisory role of the law. The reputation of clothing trademarks is closely related to the quality of clothing. The emergence of famous brand trademarks is the result of clothing manufacturing companies' long-term insistence on their own quality supervision. Trademarks also play a role in consumer guidance and advertising. Generally speaking, consumers are willing to buy clothing with good quality and well-known trademarks. Clothing trademarks that enjoy good reputation in the market can expand the influence of the trademark, promote consumer purchases, and thus play a role in guiding consumption. Advertising is an effective method for companies to promote product quality, and advertising is organically related to clothing trademarks. connected together. Through various media publicity, let consumers know the trademark, so as to achieve the purpose of expanding the sales of the company's clothing