The embodiment of the invention discloses a method and a system for calling the intelligent pipeline capability. The method includes: a capability opening gateway receives an intelligent pipeline capability calling request sent by an application client, the calling request comprises a WarrantID of an electronic certificate, an authentication request is sent to a certificate management system, and the authentication request comprises a WarrantID; the authentication management system performs authentication of the WarrantID based on pre-stored electronic certificate information, and if the WarrantID is legal and valid, the network capability of the network business is examined and approved according to an SLA of the electronic certificate and returned to the capability opening gateway; and the capability opening gateway indicates PCRF equipment to perform corresponding network capability guarantee of the network business. According to the method and the system, the intelligent pipeline capability can be opened to a large number of users in need of network resources.