The work aims to analyze and explore the strategy method of Vlog, a short video content branch, enabling brand marketing based on successful cases in the field of brand marketing in 5G era. From the brand marketing theory, the development status of Vlog in China was combed. Through research methods such as field survey, literature analysis, etc., the typical case of how OPPO showing its products and brand advantages to achieve brand marketing and promotion was systematically analyzed to put forward several specific practice paths for Vlog enabling brand marketing. The key to Vlog enabled brand marketing is that the brand must actively seek Vlogger for cooperation according to its brand tone and establish close contact with Vlogger. Brand must fully grant Vlogger the freedom to switch brand language so that it can record and release out-of-the-box evaluations of new products through Vlog, and use Vlog scene marketing and Vlog creative extensions to achieve content output and brand marketing. Thus, Vlog marketing can become a key part of brand marketing strategy and injects fresh blood into brand marketing.