Abstract: The present invention disclose a method for processing a policy, including: obtaining at least one user policy, where the user policy is used to instruct a service processing unit to perform service processing; reading information of an application knowledge base corresponding to each user policy and performing rule conversion on the read information, so that the description language of the information is consistent with the rule description language of the user policy; combining a condition element and an action element of each user policy with information corresponding to the condition element and the action element, and compiling each result obtained through combination; and sending each compilation result to a service processing unit corresponding to each compilation result. Correspondingly, the embodiments of the present invention further disclose a device for processing a policy. The embodiments of the present invention can reduce system overhead.