Food trademarks are actually brands of food. It is a mark used by food production companies exclusively on the food produced by the company. Its forms include Chinese character trademarks, English trademarks, graphic trademarks, and combination trademarks that combine the above elements. Trademarks are also a guarantee of product quality, and production companies must be responsible for the quality of food using trademarks. Therefore, the manufacturing enterprise should apply for registration of its trademark and enjoy the exclusive right to the trademark within the statutory period. Other producers and sellers may not use or counterfeit the trademark without the permission of the trademark registrant. Violators shall be held legally responsible. Food trademarks mainly have the functions of differentiation and identification, quality supervision, consumption guidance, advertising and market circulation.