With the continuous development of information technology used in higher education, blending teaching mode fully integrates offline classroom teaching and online high-quality education resources, effectively mobilize students' learning initiative and achieve satisfactory teaching effect. Taking the graduate course bridge structure system as an example, combined with the education mobile and web platform of Chaoxing, the PIP blending teaching mode is proposed, which includes preparation lessons before class, explaining key points and difficulties in class and discussions, extracurricular learning. From the problem perspective, the literature reading ability of graduate students is emphasized during the teaching process. The diversified assessment method with six quantitative indicators including students' mutual evaluation is proposed.