Abstract
Due to the outbreak of the Covid-19 in 2020, online education has become the mainstream. After the epidemic, the blending learning mode has also become a key goal of the teaching reform of colleges and universities, and the blending learning mode of various courses has blossomed everywhere. In this context, this paper used the Econometrics course as the carrier, analyzed the many unreasonable problems in the traditional Econometrics course, and proposed an optimization plan and path for the blending learning mode to address these problems.