【Abstract】Chongqing Medical University established respiratory system course group and implemented the “organ-systems-based curriculum” (OSBC) integration teaching reform. The OSBC teaching of respiratory system breaks the traditional disciplinary-centred teaching pattern

starting the disease-centred and clinical-oriented teaching reform. The course group carried on the comprehensive reorganization to the curriculum contents and the teaching personnel

compiled integrated curriculum teaching materials

optimized teaching methods and evaluation system. OSBC teaching of respiratory system has made some achievements

but there are still some deficiencies such as the integration of different disciplines

the teaching ability of teachers and the students coordination with OSBC courses. The course group will continue to improve in the future practice and exploration.