Abstract:Primary School attached to Southeast University carried out lots of educational experiments from 1917 to 1927. Focused on children’s socialization, civil servants’ organization was established to cultivate pupil’s ability of self-government and service. Before 1922, when new education system publicized ‘society studies’, Primary School attached to Southeast University had made an attempt to unit the teaching of civics, history as well as geography, connecting kindergarten and primary school by using Project Method. The school also designed dozens of experiments based on children’s interests, needs, and abilities. Universities that study primary education do need an experiment school. Primary School attached to Southeast University make an example for today’s educational research.