Provided are a group-based community system and managing method thereof. The group-based system comprises a group management module for creating a group and assigning a plurality of members to the group, and a badge management module for creating a badge related to the group and awarding the badge to a first member of the plurality of members, wherein, by using the badge, a right of the first member for a predetermined function in a community platform in which at least some members of the plurality of members participate is managed.