Based on the experiences and observations，this study summarizes the three stages of Tencent’s Video documentary development，from single purchase-broadcasting to international co-production and domestic content self-production，and then corporate with global high-quality documentary production agencies. Tencent Video has always taken user value as a guiding principle. With the emergence of Z generation users，the content of the documentary continues to innovate. This study takes The Warring States Period as an example to discuss how Tencent Video meets with users’ needs through data，observation and other methods and actively attempts by adopting Docudrama. Tencent Video has Internet thinking of acquiring，producing and broadcasting. They help to build a younger and fresher documentary industry pattern openly and inclusively.