As an important part of collaborative governance, intergovernmental collaboratmn ~s necessary Lcqu~t ,~lLu e,~~- tical means of regional public affairs governance and regional coordinated development. All sort of ways of inter- governmental collaboration coming from public administrative practice need a interpretive frame. Based on Tri- chotomy theory- of market, network and hierarchy, the practical ways of intergovernmental collaboration can be divided into market mode, network mode and hierarchy mode. This paper analyses collaborative structure, authority operation and strategy means of vari...