The utility model discloses a parallel mixed active electric power filter data acquisition and data process system, comprising a lower computer data acquisition and analysis apparatus, a host computer data process and display apparatus and a layered distributed networking apparatus. The beneficial effects of the utility model are that: (1) a high frequency response voltage transmitter and a current transmitter are employed to guarantee a measure scope of harmonic wave, and meanwhile an A/D (Analog to Digital) converter can perform data acquisition with high speed and high precision, which can raise the measure precision of the harmonic wave; (2) an instantaneous reactive power method and an improved negative phase-sequence current voltameter algorithm are employed to calculate electric energy quality parameters such as the harmonic wave, reactiveness, negative phase-sequence, etc. so as to guarantee data calculating accuracy; (3) a data acquisition apparatus is performed networking to realize the gathering and concentrated management to electrical network multinode electric energy quality parameters and to provide basis for the coordination control of the electric energy quality process apparatuses in all network.