Abstract: A method, system, and apparatus for implementing a color ring service. The method includes the following steps: playing, by a Color Ring Back Tone platform, a whole ring tone according to a selection of a subscriber; and obtaining, by the Color Ring Back Tone platform, a ring tone section of the whole ring tone according to a selection of the subscriber when playing the whole ring tone, and setting the ring tone section as a color ring of the subscriber. With the embodiments of the present invention, the subscriber can select his favorite ring tone section when the CRBT platform plays the whole ring tone selected by the subscriber himself, and the CRBT platform can set the ring tone section as a color ring of the subscriber, thereby realizing setting a certain section of the whole ring tone as a color ring of the subscriber.