Coaxial connector combination

A coaxial connector combination comprises a coaxial connector and a paired connector, and the coaxial connector comprises an insulating cylinder, a terminal fixed on the insulating cylinder and an elastic piece; the terminal comprises a plurality of elastic arms which are arranged along the circumferential direction of the inner surface of the cylinder wall; the paired connector comprises an insulating body, a paired terminal fixedly held on the insulating body and a shielding sleeve; the shielding sleeve comprises an upper butt joint cavity and a lower butt joint cavity, the coaxial connector is contained in the lower butt joint cavity, the terminals are electrically connected with the paired terminals, the elastic arms are provided with contact parts located in the butt joint holes, each contact part is provided with a shoulder part protruding outwards, and the shoulder parts protrude outwards in the butt joint direction. And the shoulder parts of the adjacent contact parts are staggered up and down and at