A locating method for an uplink time difference of arrival, comprising: transmitting, by a locating server, an Uplink Time Difference of Arrival, UTDOA, information request to a serving base station of a target user equipment; wherein the UTDOA information request is used to request the serving base station to configure resources of a location reference signal for the target user equipment and transmit configuration information of the location reference signal to the locating server; receiving, by the locating server, a UTDOA information response transmitted by the serving base station, wherein the UTDOA information response carries the configuration information of the location reference signal and beam information of a reference signal related to the target user equipment; transmitting, by the locating server, a measurement request to a location measurement unit, wherein the measurement request carries assistance locating information; wherein the assistance locating information comprises the beam information of the reference signal related to the target user equipment, or comprises relative information between a transmitting beam of the location reference signal and a receiving beam used by the location measurement unit determined according to the beam information of the reference signal related to the target user equipment; receiving, by the locating server, a measurement response transmitted by the location measurement unit, wherein the measurement response carries locating measurement information of the target user equipment and measured beam information of the location reference signal, and the locating measurement information is obtained by the location measurement unit through measuring the location reference signal transmitted by the target user equipment according to the assistance locating information; locating, by the locating server, the target user equipment according to the locating measurement information and the measured beam information of the location reference signal carried in the measurement response; wherein the beam information of the reference signal related to the target user equipment comprises transmitting beam information of the location reference signal and at least one of: beam information of a downlink reference signal measured by the target user equipment; beam information of an uplink reference signal transmitted by the target user equipment and measured by the serving base station; wherein the UTDOA information request carries receiving beam information used by the location measurement unit to detect the location reference signal. transmitting, by a locating server, an Uplink Time Difference of Arrival, UTDOA, information request to a serving base station of a target user equipment; wherein the UTDOA information request is used to request the serving base station to configure resources of a location reference signal for the target user equipment and transmit configuration information of the location reference signal to the locating server; receiving, by the locating server, a UTDOA information response transmitted by the serving base station, wherein the UTDOA information response carries the configuration information of the location reference signal and beam information of a reference signal related to the target user equipment; transmitting, by the locating server, a measurement request to a location measurement unit, wherein the measurement request carries assistance locating information; wherein the assistance locating information comprises the beam information of the reference signal related to the target user equipment, or comprises relative information between a transmitting beam of the location reference signal and a receiving beam used by the location measurement unit determined according to the beam information of the reference signal related to the target user equipment; receiving, by the locating server, a measurement response transmitted by the location measurement unit, wherein the measurement response carries locating measurement information of the target user equipment and measured beam information of the location reference signal, and the locating measurement information is obtained by the location measurement unit through measuring the location reference signal transmitted by the target user equipment according to the assistance locating information; locating, by the locating server, the target user equipment according to the locating measurement information and the measured beam information of the location reference signal carried in the measurement response; beam information of a downlink reference signal measured by the target user equipment; beam information of an uplink reference signal transmitted by the target user equipment and measured by the serving base station;