The main reason to purchase a brand is trust, so building consumer trust is a top priority. When an industry is in the early stages of development, there are few new products, and consumers only have two or three brands to choose from, then their selection criterion is popularity. We often say that the communication and promotion of a brand needs to go through various stages such as popularity, recognition, reputation, loyalty, etc. That is to say, when the industry has just started and the brand has just developed, it is necessary to build awareness first?