Consumers at different levels usually have different consumption needs, but companies are generally limited by their own resources and capabilities. It is difficult to meet the needs of all consumers in the market. Differences in purchasing behavior, purchasing habits, etc., subdivide the market into several sub-markets that require different marketing strategies. Among them, each sub-market has the same internal customer group. This process is called market segmentation. There are many methods for market segmentation. Effective market segmentation usually needs to meet the four major characteristics of measurability, accessibility, difference, and profitability: (1) measurability: appropriate market segmentation is generally The market segment that can measure and identify the size of the market and the purchasing power of consumers is also called the consumer market. (2) Accessibility: In order to allow consumers to actually access the company's products and services, the scope and intensity of the company's marketing strategy should also reach selected market segments. (3) Difference: The boundaries between market segments are relatively clear. The difference between the products launched and the purchasing power of consumers can be actually measured. Different marketing strategies are actually used in different market segments. Different marketing strategies have different levels of response. (4) Profitability: The market segment should be continuously improved as the needs of consumers change, and profitability can be achieved in different marketing stages of the enterprise