Abstract: Chinese Wall security model is an important model of security policy in the field of business information security，but it lacks the effective implementation model and the mechanism.Firstly，this paper studies the conflict of interest relations，database organization，etc. of Chinese Wall security policy-An aggressive model.Then the control mechanism of the RBAC model is analyzed.Furthermore，using “the strategy neutrality” of the RBAC model，RBAC is disposed to implement Chinese Wall security policy-An aggressive model.Finally，an example to dispose RBAC model is given，in which five companies have the conflict of interest relations.Chinese Wall security policy-An aggressive model can be more convenient and effective by configuring this model on RBAC.