Based on forthcoming incentive theory,a new group incentive model is made on the base of classic incentive theories, Which are requirement-arrangement theory and Expection Theory. This model include three factor:Expection, Job-Feasibility and Requirement-Satisfaction .The article illustrates the principle of group incentive function principle from five aspects: Group Status, Group Achievement, Group Culture, the Harmonization of Group Member and Member incentive. Group incentive must pay attention to exterior incentive and interior incentive. In the end, the article gives some theories of group incentive in enterprises, Which are to make group purpose, to evaluate group rate, to cultivate group culture, and to amplify group coherence.
