In order to improve the initiative participation of students, and to reflects the role of study subjectivity in the process of learning, the use of seminar-style teaching method aims to improve students' participation in the teaching process. The interaction between students and teachers is strengthened. The students' understanding and application of the content are consolidated. Taking the calculation of internal force of a typical frame structure in the course of reinforced concrete structure design as an example, the task of discussion was decomposed. The contents of the different groups were summarized, analyzed and compared with each other. And the practical process and application effect of the seminar-style teaching method are studied in the teaching process of reinforced concrete structure design. The students' learning initiative and the ability to analyze problems are improved through the application of seminar-style teaching method.