The rapid development of online teaching has been driven by the iterative changes in information technology. Influenced by the current social situation, online teaching has received unprecedented attention as an important alternative to offline education. This work first uses the questionnaire survey method to understand the current situation of online learning in higher vocational colleges. Then, based on the research results, it analyzes the influencing factors and improvement strategies of the continuous willingness and learning investment of higher vocational students in online learning. Finally, according to the improvement needs of higher vocational students' online learning, it proposes a blended learning model and the construction method of an interactive online learning platform. This work focuses on personalized guidance and the deepening of the interaction level, which can provide theoretical guidance and methodological reference for teachers to improve the effect of online teaching and guide students to conduct autonomous learning in the online learning environment.