McDonald's is a large multinational chain restaurant brand in the world, which was founded in Illinois, USA in 1955. McDonald's mainly sells fast food such as hamburgers, French fries, fried chicken, soft drinks, iced products, salads, fruits, etc., and provides counter-style and drive-through services. There are more than 38, McDonald's restaurants around the world, and the brand value of McDonald's exceeds US$ 129.321 billion, ranking in the top 1 of BrandZ's list of the most valuable brands in the world for 13 consecutive years.