Abstract: Curriculum ideological and political education is the fundamental task of implementing moral education and cultivating people in colleges and universities, and also the basic requirement for the development in the new era. The concept of OBE is results-oriented education, which is a reverse design education concept of 'output -oriented, student-centered, teacher-led organization and continuous improvement'. Principles of Food Technolog is the core course of food major, which plays a vital role in cultivating high-quality professionals in the food industry. Therefore, it is urgent for teachers to explore the ideological and political elements contained in the knowledge system and penetrate into each teaching link in the teaching process. Based on the characteristics of the course, teaching objectives and teaching content, this paper explores the ideological and political elements in each chapter deeply, and constructs such elements based on the concept of OBE and implements through the combination of online and offline teaching. The teaching of specialized courses and curriculum ideological and political education in the curriculum go in the same direction to achieve a synergistic effect. Through the construction and implementation of the ideological and political elements of the course, students would improve their sense of identity and professional ethics of food major, and form a correct world outlook, outlook on life and values. At the same time, the research results of the course were expected to provide appropriate reference and reference for the construction and effective implementation of other professional courses.