Electric connector

The invention relates to an electric connector installed on a circuit board. The electric connector comprises an insulating body, a first conducive terminal set, a second conductive terminal set, a first fixing base and a second fixing base, wherein the first conductive terminal set and the second conductive terminal set are contained in the insulating body; the first conductive terminal set penetrates through the first fixing base and is exposed externally; the second conductive terminal set penetrates through the second fixing base and is exposed externally; the second fixing base is located between the first fixing base and a butt joint part; the first fixing base is provided with a first front wall, a first bottom wall and a containing groove, the first front wall abuts against the butt joint part, and the containing groove is formed in an inwards sunken mode from the first bottom wall; the second fixing base is contained in the containing groove.