In the ideological and political teaching of the courses of each chapter of "Macroeconomics", links are set up to establish a target system, pave the way for basic knowledge, conduct case discussions, and apply ability training. This article takes "macro-economy under open conditions" as an example. Based on the knowledge of balance of payments, the action learning method is used to organize students to focus on discussing the "domestic cycle as the main body" proposed by my country's 14th Five-Year Plan, and a series of results have been reached. After unifying our thinking and understanding, we propose action plans such as adopting a strategy of balancing foreign trade, making good use of my country's super-large domestic market advantages, and gradually eliminating the "double surplus" of my country's international balance of payments. Through the ideological and political teaching of the curriculum, college students are trained to continue to pay attention to the society, and to consciously link their growth into a talent with the destiny of the country's development, so as to achieve the fundamental purpose of teaching and educating people.