As a cross talk and movie actor, Yang Yi has a high popularity and influence. Peng Guiyuan hired Yang Yi as the brand image spokesperson for Beijing Erguotou Liquor, aiming at enhancing the brand image and popularity through his endorsement and increasing consumers' recognition and acceptance of the product. This kind of endorsement is a common strategy in marketing. By cooperating with famous people, we can use their influence to enhance the popularity and credibility of our products. So Yang Yi's endorsement of Beijing Erguotou is true.