A receptacle connector includes a body; a conductive member received in the body and having a bottom, in which a soldering portion extends from the bottom, the bottom is bent upwards to form a base, an angle is formed between the planes of the base and the bottom, two opposing sides of the base are bent to form a first arm and a second arm, the first and second arms are on the same side and are in the same direction as a bending direction of the base, the first arm has a first contact portion, and the second arm has a second contact portion; and a third arm extending from one end of the base away from the bottom, inclined towards the first and second arms, in which the inclination of the third arm does not exceed initial contact positions of the first and second arms with a pin, the third arm has a third contact portion, and the first, second and third contact portions are used for jointly retaining and contacting the pin.