Governments could provide ”The pig traceability system” to integrate the informations of the related units. The policy implementation for ”the pig traceability system” could prove the pork habitat and make the related information transparency, with the aid of the information technology. The research findings discovered that public policy should be sustainable; set up the service platform, and strengthen the cooperation among the public sectors, the private sectors, and the third sectors by the policy network to promote the performance of public policies.