Embodiments of the present invention relate to a service opening method and system, and a service opening server. The method includes: receiving a service request from a third-party application, where the service request carries type and parameter information of the requested service; querying, according to the type information of the service, a service directory to obtain an access address and authentication type information of the requested service; when it is determined that the invoking of the service needs an authorization of an end user, obtaining an authorization notification message of the end user according to the type information of the service and the parameter information of the service; and forwarding, the service request to a capability server, and forwarding, to the third-party application, a service response message returned by the capability server. The control of the end user on the authorized service is ensured to the greatest extent.