Xiaomi is a consumer electronics and smart manufacturing company with smartphones and smart hardware connected by an IoT platform at its core. As a representative manufacturer in China’s smartphone industry，Xiaomi began to layout international development in 2014. From Asia to Africa，from emerging markets to developed markets，Xiaomi’s internationalization has been steady and steady in every step，making it among the top global smartphone manufacturers. This chapter takes millet as the research object，and makes an in-depth discussion on millet’s domestic and international development process，internationalization development motivation，and key influencing factors of enterprise internationalization strategy. The study found that factors such as market，technology，internationalization tendency of senior managers，and competitors promoted the internationalization process of Xiaomi. In the process of Xiaomi’s international development，factors such as high cost performance，continuous scientific and technological innovation，taking the lead in the layout of “mobile phone×AIoT”，localization strategy，and the use of digital technology to enable new retail，Internet marketing and social media operations have played a key role. In the future，Xiaomi needs to increase investment in research and development，achieve product upgrades，pay attention to compliance management，reduce overseas intellectual property disputes，and take into account the control of overseas subsidiaries while improving localization，so as to highlight the “Chinese wisdom” in the world with a better brand image.