Abstract: To solve the new monopolistic behavior of platform blocking implemented by the super platform, the General Office of the State Council has proposed the policy of interconnection. The current interconnection is mainly based on “unblocking links”, which only solves the problem of network node interconnection, but not the problem of application layer and data layer. The next phase of interconnection should be carried out in steps to achieve limited interoperability at the application layer and partial data circulation and sharing, with a view to weaken market barriers, promote industry innovation and enhance consumer welfare. However, currently ambiguous boundaries still exist in the implementation rules of superplatform interconnection, and it is also difficult to impose legal sanctions through post-facto regulation. Under the perspective of comparative law, European and American countries take blocking behaviors infringing on long-term public interests as the entry point, position super platforms as public infrastructure, and take the legal obligation of interconnection as the criterion of affecting public interests. The advanced digital governance in the domain is introduced into the platform economy governance in China to realize the institutional response of superplatform to promote interconnection under the public perspective.