The utility model relates to a kind of grounding structure and electric connector.The grounding structure includes ground sheet, with first side and second side, first hole is provided on the ground sheet, the first hole is through the second side of the ground sheet;And conductive column, its first end is connected in first hole, second end is used to be connected with ground object.The electric connector includes first
lead frame, with first side and second side;First terminal
assembly, with
signal terminal and ground terminal, the
signal terminal and ground terminal are all set in the second side of the first
lead frame;And first grounding structure, the first grounding structure is located in the first side of the first
lead frame;The first lead frame is provided with the second hole opposite with the first hole of the first grounding structure, the second hole is communicated with the ground terminal;The conductive column is connected in the first hole and second hole, the conductive column is connected with the ground terminal as ground object.