Abstract: With the rapid development of Internet technology, according to the characteristics of the course Linear algebra, in order to improve the classroom teaching effect, the article establishes the teaching mode of“Internet + education”based on the online teaching platform of the wisdom tree. This article elaborates on the implementation process of a hybrid teaching mode that combines online and offline teaching from the aspects of smart tree function module design, pre class, in class, and post class teaching link design. The implementation effect is demonstrated from innovative teaching modes, role transformation, data analysis, and other aspects. Through innovative teaching practices, students'interest in learning has been stimulated, their learning enthusiasm and initiative have been improved, thereby improving the quality of teaching. At the same time, certain ideas have been provided for teaching innovation in other courses.

Key words: Linear algebra, Internet, Wisdom tree, Teaching design, Teaching effectiveness, Teaching model