Abstract: The information bulwark occurring across the branches is the main obstacle that bafflese-government's realization,and therefore,it is necessary how to encourage the information sharing across the branches in e-government institutionally.As a resolvent of the problem above,the incentives model was established when information sharing occurred among the governmental branches.The author thought that the positive incentives and the negative ones must be adopted simultaneously because of their mutual assu-rance relationship in order to impel the information sharing among the governmental branches.

Key words: e-government, information sharing, incentives, across branches