Video platform is not only a social tool but also an educational tool. The survey found that Vietnamese Chinese learners widely use YouTube to learn Chinese. However, there is not much research on it. Under the guidance of constructivism, language acquisition theory, and immersion theory, this study aims to explore the effectiveness of using YouTube for Chinese teaching. Through the comprehensive methods of questionnaire survey and teaching experiment, the study found that the use of YouTube teaching has a positive impact on Chinese learning. They generally believe that YouTube creates a more real language environment, which is conducive to Chinese learning.