The development of the image can also be called the times, meaning that the brand should be adjusted with the pace of the times and the changes of various conditions, that is, to make adjustments to brand identification. The business situation has changed, if the brand is fixed, it will affect the development of the enterprise. Only by adjusting the brand according to the constant change of internal and external environment, make it adapt to the new change and meet the new requirements, can the brand image grow and flourish. In a word, change is fundamental to brand vitality. In the 1940s there were so many poor people in Hong Kong that they couldn't afford to drink milk. Vitamins, a brand of soy milk, had the image of "poor" milk, which was cheap and nutritious