With the advent of the digital era, online platforms have become an important channel for learning and acquiring information.YouTube and microblogging, as two popular social media platforms, each show unique features and advantages in collaborative learning. In this paper, we will deeply explore the different applications of YouTube and microblogging in collaborative learning and analyze how they affect modern education and self-learning. I. Application of YouTube in Collaborative Learning II. Application of Weibo in Collaborative Learning III. Differences between YouTube and Weibo IV. You...