Female end electric connector and electric connector assembly

The utility model discloses a female end electric connector and an electric connector assembly, the female end electric connector is connected with a coaxial cable, the female end electric connector comprises a female end shell structural member, a plurality of center pins, a first insulator and a second insulator, the tail ends of the center pins are electrically connected with an inner core of the coaxial cable, the first insulator is sleeved on the periphery of the center pins, and the second insulator is sleeved on the periphery of the center pins. The first insulator sleeves the coaxial cable, the second insulator sleeves the periphery of the coaxial cable, the female end shell structural member comprises a plastic shell and a plurality of metal sleeves which are integrally formed and fixed in the plastic shell in an insert-molding manner, the plurality of metal sleeves are arranged in an array manner, and the relative position between any two metal sleeves is kept constant. And an assembly formed by ass