The museum group is the result of the mature of public culture. Wenzhou regional museums have experienced three stages: the initial, the establishing, and the developing. and now it is the right time to build a museum group. The Museum Regulations further clarifies the fair treatment of state-owned and non-state-owned museums, and it greatly promotes the development of private museums. The building of a museum group could integrate resources, upgrade scales, and comply with the trend. It is a direction for Wenzhou’s sustainable development.