A socialist harmonious society is democratic and law-based ,fair and just ,trustworthy and friendly,full of vigor and vitality,peacefully and orderly,and in which man and nature are in harmony. To build a socialist harmonious society contains abundant dialectical ideas,and it also embodies the dialectical principle of material and ideology, the universality and particularity of contradiction, principal and nonprincipal aspects of a contradiction and the identity and struggle of opposites.