“Big ideology and politics class” is a new form of ideology and politics class with the characteristics of the times, which plays an important role in the ideology and politics education in colleges and universities. At present, the development of “big ideology and politics course” in colleges and universities is still in the exploratory period, and there are still many problems in the development of its practical courses, which can’t give full play to the value that “big ideology and politics course” should have. This paper takes the development of the practice course of “big ideology and politics course” in Shanghai universities as an example. Through the analysis of literature and cases, it summarises the current situation of the practice course of “big ideology and politics course” in Shanghai universities, and combs through the deficiencies in precision, breadth, course mode and content design. It summarises the current situation of the practical courses of “Big Ideological and Political Science Course” in Shanghai’s colleges and universities, finds out the deficiencies in the accuracy, breadth, course mode and content design, and puts forward further optimisation measures in terms of expanding the coverage, optimising the ratio of the practical courses to the theoretical courses, and improving the content design.