The group discussion method is a positive teaching method. It promotes students can take the initiative, creativity, co-operating arid working in a group. However, if we want teaching the group discussion method have good result, both of teachers and students need try their best. The flrst is role of teachers, when teachers teach in the class, they have to understand and sure about amount of knowledge which are taught for students, they need to have processes ofthe scientiflc discussion along with the teaching art. The second is role of students, each of students must keep the requirements of the teachers. ln particular, teachers need combine between the group discussion, teaching method and the teaching techniques in a flexible way, it makes teaching with the group discussion method become success.