A method for transmitting 1x service of double-mode terminal under high speed packet data network includes sending service-informing message to AN by MSC if 1x paging information is arrived when MS / AT is switched under HRPD network and MSC is informed, placing said message in 1x service packet and sending it to MS / AT by AN, display a calling information to user and waiting user selection after said message is received by MS / AT, stopping service in HRPD network to switch to 1x if user selects to receive 1x calling or otherwise sending refusal response message to AN by MS / AT and using AN to send refusal message to MSC to ask MSC to stop this time of 1x calling. |