Shell grounding structure of electrical connector

A shell grounding structure of electrical connector, comprising:

• a board-end connector comprising a housing with a docking space therein, a plurality of conductive terminals pierced on two opposite sides of said docking space, and a metal shell assembled on an outside of said housing;
• and
• a wire-end connector comprising a holder base, a plurality of contact terminals and a shielding shell, said holder base comprising an inserting portion located on a bottom side thereof and combined with said docking space, said contact terminals piercing said inserting portion and being in contact with said conductive terminals respectively and electrically, said contact terminals each comprising a connecting portion arranged on a top surface of said holder base and respectively electrically connected with a respective one of a plurality of electrical cables, said holder base being externally assembled with said shielding shell, said shielding shell comprising a cable opening located on one side thereof for said cables to be exposed and a hooking plate located on an outside of said metal shell opposite to said cable opening, said hooking plate comprising a plurality of resisting elastic pieces extending toward said metal shell and forming contact.