People who are injured in official positions are smart, flexible, eloquent, artistic, versatile, knowledgeable, opinionated and eager to become famous. In the era of rising customer power, the best way to pursue business growth is not to pursue better marketing skills, but to learn how to be the defender of customer interests and keep customers' trust in you. Safeguarding customers' interests is to provide customers with real commodity information, develop products that customers really need, and let satisfied customers take the initiative to tell others about this beneficial cooperative relationship.