With the development of Internet information technology and the advantages, the online teaching has become an important education means at present. It is essential to focus on learners" physical and mental development law in online education, as the emotions generated in online learning influence the learning effect. In order to explore the influencing emotion factors and the corresponding learning situation in the process of online learning the design and creation courses, the study took online learners as the research object. The research adopted the qualitative research method. At the beginning, the interview materials were obtained according to the direction of the preliminary questions, and then the interview materials were encoded in the first level and the second level. The study found four generic influencing factors (learning environment, individual characteristics, curriculum tasks, and teaching methods in online learning), the production process of positive and negative emotions ,and the corresponding positive and negative learning effects. Then the model constructed on this basis. The research suggests that this model elucidates the emotional factors and students in the online design and creation courses law, which has a certain enlightenment and reference function for online teaching strategy.