"Building services systems" is one of required building technology courses in all architectural schools in China. This course involves a lot of interdisciplinary theories and knowledge. In addition, the traditional design of this course in China has a little connection with architectural design. As a result, it is well-know that architectural students would like to ignore this course. To meet the development trend of higher education abroad, Nanjing University calls for the "inverted classroom" teaching reform campaign in recent years. This paper outlines teaching format, assignment scheme, and evaluation methods of the course, discusses problems of using the inverted classroom in order to set up the teaching mode with leading, open, bi-directional of architectural specialty.