With the continuous development of Internet technology, blended learning has gradually become a new teaching mode. The application of this mode in the dragon boat course can not only promote the accumulation of students' knowledge and practical experience, but more importantly, can enhance their teamwork, communication and leadership skills. Taking dragon boat course as an example, this paper explores the application and effect of blended learning in dragon boat course. The research results show that blended learning can effectively improve students' learning interest and learning effect, and can enhance their practical ability and teamwork ability.