As a new interactive mode in social networking site, Danmu enables users to interact with video content in real time, so it has attracted the attention of many learners and researchers. This paper is to explore whether Danmu can induced the changes of user’s emotional experience. Using the emotion analysis method based on the emotion dictionary, the emotional value and emotional category of Danmu are obtained by the semantic weighting of the emotional words, and then construct the video element dictionary to classify the Danmu data with emotional tendency, so as to analyze the user's emotional experience reflected by Danmu data. The results show that the user's affective experience reflected by the video Danmu is mainly positive, and its emotional characteristics are mainly embodied in five characteristics: the subjectivity of emotional position, the consistency of emotional experience, the pertinence of emotional expression and so on. The interaction between users and video can induced different user's emotional experience, and the three video elements such as interview, story and post-production, have great influence on the user's emotional experience, interview and story are the main factors that induced the emotion experience of Danmu users.