Under the new situation, the requirements of society for art and design talents are constantly improving, and secondary vocational art and design education is facing new challenges and opportunities. The research explores the specific path of integrating color psychology into the teaching of art design major in secondary vocational schools from four dimensions: the construction of curriculum system, the innovation of teaching methods, the construction of practice platform and the optimization of evaluation mechanism. It aims to solve the problem of the dislocation between students' color application ability and professional needs by constructing the training closed loop of "theoretical cognition-situational practice-industry test", in order to promote the core competitiveness of art design professionals in secondary vocational schools.