Consumers of different levels usually have different consumption needs, but companies are usually 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. divide the market into several sub-markets that require different marketing strategies. Among them, each submarket has the same internal customer base. This process is called market segmentation. There are many ways to market segmentation. Effective market segmentation usually needs to meet the four main characteristics of measurability, accessibility, difference and profitability: (1) Measurability: Appropriate market segmentation can usually measure and identify market size and consumers The market segmentation of purchasing power is also called the consumer market. (2) Accessibility: In order to enable consumers to actually access the company's products and services, the scope and intensity of the company's marketing strategy should also reach the selected market segment. (3) Differences: The boundaries between market segments are relatively clear. You can actually measure the difference between the launched product and the purchasing power of consumers. In fact, different marketing strategies are used in different market segments. Different marketing strategies have different levels of response. (4) Profitability: As consumer demand changes, market segments should be continuously improved