In view of problems that the traditional teaching mode can not meet the basic need of cultivating students' consciousness of engineering economy and improving students' engineering quality, we proposed that using the participatory teaching in the whole process project of engineering economy. By carefully designing the classroom teaching and making use of diversified forms of classroom organization, we stimulated students' interest in the actual project case combined with a scientific evaluation system to construct a learning process with students as the main body, stimulate students' participation consciousness and innovation spirit, and finally improve their comprehensive quality.