A socket connector comprising an insulation base, a plurality of docking terminals housed in the insulation base, and a shell enclosing outside the insulation base, wherein the insulation base is provided with a docking groove; each of the docking terminals comprises a docking terminal contacting portion exposed at the docking groove, and a docking terminal soldering portion connected to a circuit board; and the shell comprises an external docking portion enclosing the docking groove and formed by extending in a vertical direction, a bottom panel portion formed by outwardly and horizontally extending from an edge of an bottom of the external docking portion, and a panel protection portion in a horizontal state formed by bending an upper edge of the external docking portion, in which an inter-buckling portion, which is capable of elastically deforming, is formed by making at least one of side edges of the panel protection portion to be bent and extended downwards, at least one of the inter-buckling portion is provided with an inter-buckling protruding portion thereon and an inter-contacting protruding portion thereon, in which the inter-buckling protruding portion is capable of engaging with an opposite connector to provide an insertion and extraction force and the inter-contacting protruding portion is capable of forming a grounded potential connection to the opposite connector by elastically deforming, characterized in that the external docking portion is an entirely enclosed structure surrounding the docking groove, and the bottom panel portion is connected to the circuit board via a continuous and uninterrupted soldering region; the shell is formed into an integral part by stretching and shaping. the insulation base is provided with a docking groove; each of the docking terminals comprises a docking terminal contacting portion exposed at the docking groove, and a docking terminal soldering portion connected to a circuit board; and the shell comprises an external docking portion enclosing the docking groove and formed by extending in a vertical direction, a bottom panel portion formed by outwardly and horizontally extending from an edge of an bottom of the external docking portion, and a panel protection portion in a horizontal state formed by bending an upper edge of the external docking portion, in which an inter-buckling portion, which is capable of elastically deforming, is formed by making at least one of side edges of the panel protection portion to be bent and extended downwards, at least one of the inter-buckling portion is provided with an inter-buckling protruding portion thereon and an inter-contacting protruding portion thereon, in which the inter-buckling protruding portion is capable of engaging with an opposite connector to provide an insertion and extraction force and the inter-contacting protruding portion is capable of forming a grounded potential connection to the opposite connector by elastically deforming, characterized in that the external docking portion is an entirely enclosed structure surrounding the docking groove, and the bottom panel portion is connected to the circuit board via a continuous and uninterrupted soldering region; the shell is formed into an integral part by stretching and shaping.