A power control method, the method comprising the steps of: monitoring a downlink data sending condition of a dedicated physical data channel, DPDCH; and if no downlink data is sent on the DPDCH, determining to decrease downlink transmit power of a DPCH, and if downlink data is sent on the DPDCH, determining to increase or maintain downlink transmit power of a DPCH; wherein the DPCH comprises the DPDCH and a dedicated physical control channel, DPCCH, characterised in that: when it is determined to decrease the downlink transmit power of the DPCH, the method further comprises the step of: adjusting power configuration information and triggering a base station to decrease the downlink transmit power of the DPCH according to the adjusted power configuration information; and when it is determined to increase or maintain the downlink transmit power of the DPCH, the method further comprises the step of: adjusting power configuration information and triggering a base station to increase or maintain the downlink transmit power of the DPCH according to the adjusted power configuration information; wherein the power configuration information includes at least one of a maximum downlink transmit power value of the DPDCH and the initial downlink transmit power value of the DPDCH. monitoring a downlink data sending condition of a dedicated physical data channel, DPDCH; and if no downlink data is sent on the DPDCH, determining to decrease downlink transmit power of a DPCH, and if downlink data is sent on the DPDCH, determining to increase or maintain downlink transmit power of a DPCH; wherein the DPCH comprises the DPDCH and a dedicated physical control channel, DPCCH, characterised in that: when it is determined to decrease the downlink transmit power of the DPCH, the method further comprises the step of: adjusting power configuration information and triggering a base station to decrease the downlink transmit power of the DPCH according to the adjusted power configuration information; and when it is determined to increase or maintain the downlink transmit power of the DPCH, the method further comprises the step of: adjusting power configuration information and triggering a base station to increase or maintain the downlink transmit power of the DPCH according to the adjusted power configuration information; wherein the power configuration information includes at least one of a maximum downlink transmit power value of the DPDCH and the initial downlink transmit power value of the DPDCH. when it is determined to decrease the downlink transmit power of the DPCH, the method further comprises the step of: adjusting power configuration information and triggering a base station to decrease the downlink transmit power of the DPCH according to the adjusted power configuration information; and when it is determined to increase or maintain the downlink transmit power of the DPCH, the method further comprises the step of: adjusting power configuration information and triggering a base station to increase or maintain the downlink transmit power of the DPCH according to the adjusted power configuration information; wherein the power configuration information includes at least one of a maximum downlink transmit power value of the DPDCH and the initial downlink transmit power value of the DPDCH. adjusting power configuration information and triggering a base station to decrease the downlink transmit power of the DPCH according to the adjusted power configuration information; and when it is determined to increase or maintain the downlink transmit power of the DPCH, the method further comprises the step of: adjusting power configuration information and triggering a base station to increase or maintain the downlink transmit power of the DPCH according to the adjusted power configuration information; wherein the power configuration information includes at least one of a maximum downlink transmit power value of the DPDCH and the initial downlink transmit power value of the DPDCH. adjusting power configuration information and triggering a base station to increase or maintain the downlink transmit power of the DPCH according to the adjusted power configuration information; wherein the power configuration information includes at least one of a maximum downlink transmit power value of the DPDCH and the initial downlink transmit power value of the DPDCH.