An access method, apparatus, and system are disclosed, to implement remote access of a to-be-accessed apparatus to an access apparatus. In the access method, the to-be-accessed apparatus receives a remote authorization request sent by the access apparatus, then the to-be-accessed apparatus returns a remote authorization result to the access apparatus, and then the access apparatus accesses the to-be-accessed apparatus based on a remote authorization success result returned by the to-be-accessed apparatus. The access apparatus remotely authorizes the to-be-accessed apparatus, so that the access apparatus can invoke data of the to-be-accessed apparatus, and the access apparatus can further control the to-be-accessed apparatus.