Platform identification implementation method and system suitable for trusted connection architecture

A platform identification implementation method suitable for trusted connection architecture (TCA) is provided. The method comprises the following steps: 1) transmitting a platform component request measurement parameter for a visit requester to a trusted network connect (TNC) client by a TNC access point; 2) transmitting a platform identity certificate of the visit requester to the TNC access point; 3) transmitting the platform identity certificate of the visit requester to an evaluation policy server; 4) transmitting a verification result of the platform identity certificate of the visit requester to the TNC access point; 5) verifying the user signature of a policy manager, if the verification is not successful, discarding the information in step 4); 6) verifying the platform signature, if the verification is unsuccessful, discarding the information in step 5), and if the verification is successful, verifying the user signature of the policy manager. The platform identification implementation method which is suitable for TCA is provided in the present invention to effectively reduce the complexity for realizing TCA platform identification and enhance the integral operation performance of TCA.