An information processing method, comprising: receiving (601, S02), by a core network control plane network element, a tunnel establishment request from an application function entity, wherein the tunnel establishment request is used to request to establish a shared tunnel for transmitting data by a terminal device; determining (602, S03), by the core network control plane network element, a tunnel configuration policy corresponding to the tunnel establishment request; selecting (603, S02), by the core network control plane network element, a session management network element based on the tunnel establishment request; and sending (604, S04), by the core network control plane network element, the tunnel configuration policy to the session management network element, wherein the tunnel configuration policy is used to indicate the session management network element to trigger establishment of the shared tunnel between an access network node and a user plane function network element; and characterized in that the determining (602, S03), by the core network control plane network element, a tunnel configuration policy corresponding to the tunnel establishment request comprises: obtaining, by the core network control plane network element, a group configuration policy corresponding to the terminal device; and generating, by the core network control plane network element, the tunnel configuration policy based on the tunnel establishment request and the group configuration policy. receiving (601, S02), by a core network control plane network element, a tunnel establishment request from an application function entity, wherein the tunnel establishment request is used to request to establish a shared tunnel for transmitting data by a terminal device; determining (602, S03), by the core network control plane network element, a tunnel configuration policy corresponding to the tunnel establishment request; selecting (603, S02), by the core network control plane network element, a session management network element based on the tunnel establishment request; and sending (604, S04), by the core network control plane network element, the tunnel configuration policy to the session management network element, wherein the tunnel configuration policy is used to indicate the session management network element to trigger establishment of the shared tunnel between an access network node and a user plane function network element; and characterized in that the determining (602, S03), by the core network control plane network element, a tunnel configuration policy corresponding to the tunnel establishment request comprises: obtaining, by the core network control plane network element, a group configuration policy corresponding to the terminal device; and generating, by the core network control plane network element, the tunnel configuration policy based on the tunnel establishment request and the group configuration policy. obtaining, by the core network control plane network element, a group configuration policy corresponding to the terminal device; and generating, by the core network control plane network element, the tunnel configuration policy based on the tunnel establishment request and the group configuration policy.