In the face of the global outbreak earlier this year, the masks have become one of the most frequently used items for epidemic prevention. Among all the mask brands, CSD is always in the news for its colorful and impressive products. CSD's brand positioning was originally "health, management, and service to the community", but was rebranded to "health in style". Through the design of the products themselves, as well as the collaboration with singer Xie Jinyan on the song "Turn Masks", and the distribution of thousands of boxes of colorful and fashionable masks for free on New Year's Eve, CSD's brand image has been left vividly in the minds of consumers through the differentiation of its positioning. The brand has left a distinctive brand image in consumers' minds through its differentiated positioning.