This document outlines Xiaomi's viral marketing strategy. It discusses how Xiaomi uses word-of-mouth marketing through social values, triggers, and emotions rather than traditional advertising. The strategy focuses on building an engaged fan base through flash sales, fan festivals, and social media. Xiaomi's target group is the new middle class aged 20-34 who spend a lot of time on social networks. The marketing channels used include Chinese social media sites like Weibo and WeChat as well as collaborating with speaker brands and sponsoring events. The viral strategy has helped Xiaomi become the fourth largest smartphone manufacturer.