The invention discloses a multiuser receiving means of a uplink dedicated physical channel in WCDMA system, which involves the multiuser detection technique in WCDMA cell mobile communication system the multiuser detection technique is an enhanced technique of CDMA system, which applies of double weighting parallel interference cancellation and its simply method in order to greatly enhance the capability of the traditional method of parallel interference cancellation. The invention applies the simple method of double weighting parallel interference cancellation to receive signal in a uplink dedicated physical channel, which greatly enhances the receiving capability of uplink dedicated physical channel.