The present invention discloses a method, system and device for implementing positioning measurement. The method includes the steps of: determining a Timing Advance (TA) report format according to obtained information on whether a User Equipment (UE) can support the measurement of the receiving-transmitting(Rx-Tx) time difference and information on whether a base station (e.g. eNB)can support the measurement of the Rx-Tx time difference of the base station and the measurement of the Rx-Tx time difference of the UE in an Enhanced Cell Identity (E-CID) positioning process of the user equipment, and after the base station processes the E-CID positioning measurement, the positioning measurement result is returned to the Evolved Serving Mobile Location Center (E-SMLC) in the determined timing advance report format. The present invention can solve the problem in the prior art that the base station can not determine a specific timing advance report format to be used for returning a positioning measurement result to the E-SMLC.