Abstract: Aiming at the problems in the distributed system such as the boring teaching content difficult to study, single teaching means, the chasm between theory and reality, through the analysis of the goal of teaching reform, we discussed the teaching reform includes teaching form, teaching content reform, and teaching case design of distributed system. Finally, teaching practice showed that reform did not only achieve good teaching results in teaching, but also on the students’ learning ability and improving the overall quality of great help.