Method, system and equipment for sending data to user equipment

The present invention discloses a method of transmitting data to a user device implemented, including the ability to set the cell to the reporting RNC; RNC analyzing the ability of the cell set, the user equipment belongs if the base station is known and supported in a subordinate cell CELL_PCH or URA_PCH when the shared channel data transmission in the high speed physical downlink function, when the user equipment enters the CELL_PCH or URA_PCH state, the RNC transmits the user data to the base station equipment required; the base station in the high speed physical downlink shared channel data transmission to the user equipment. The present invention also discloses a system for transmitting data to a user device implemented, including the capability reporting unit, the base station and the RNC. The present invention also discloses a radio network controller.