The invention discloses a content delivery network scheduling method and system and a native object management server, and relates to the technical field of integration of three networks. With regard to the same content, an object description file set is established; when different types of terminals access the same content, although actually accessed video files are different, content identifications in an accessed URL are the same and all point to the same object description file set; accordingly, only the content of the object description file set needs to be maintained, and entity file incidence relations do not need to be maintained; in addition, the same content only needs to be injected once; if sub-files corresponding a terminal of the type cannot be found in the object description file set, file trans-coding can be performed on the injected original content to obtain the corresponding sub-files. Accordingly, the same content can be shared, the frequency of increasing traffic is lowered, and network bandwidth is saved.