In the teaching of professional courses, how to effectively solve the problems of "fragmentation" and "hardness" in the content education of political thought. It is the fundamental to realize the " Infiltrate " and " Blunt " between the professional course and the content of thought and politics. Integrating and teaching political content with professional curriculum content allows students to learn their expertise and skills while gaining the right values. By analyzing the connotation of engineering professional curriculum thinking and guiding role of Bloom"s educational goal classification theory in the construction of curriculum thought and political content level, this paper explores the general way to seek the teaching design and implementation of the curriculum of college engineering majors from the perspective of educational theory and classroom implementation, and puts forward the measures and methods of systematically constructing curriculum thinking and politics by analyzing the way of thinking and politics content implementation in urban design curriculum. Finally, it is proposed that professional teachers should strengthen the implementation of curriculum thinking politics from three levels: curriculum political orientation, cognition and practice.