A PCB Rogowski coil, comprising two series-connected groups of coils in opposite winding direction, i.e. a first coil and a second coil, each of which includes multiple cycles of wire turns, wherein one cycle of wire turn on the first coil includes a first incoming line a first winding line and a first outgoing line, wherein the first winding lines of various cycles of wire turns on the first coil are parallel with each other and respectively arranged on the upper and lower surfaces of a PCB; the first incoming line, passing through a first through hole on the PCB, is connected with the first winding line; the first winding line, passing through a second through hole, is connected with the first outgoing line; and the first outgoing line is also connected with the first incoming line of the lower cycle of wire turn on the first coil; and one cycle of wire turn on the second coil includes a second incoming line, a second winding line and a second outgoing line, wherein the second winding lines of various cycles of wire turns on the second coil are parallel with each other and respectively arranged on the upper and lower surfaces of a PCB; the second incoming line is connected with the second winding line; the second winding line, passing through a third through hole on the PCB, is led out from a fourth through hole and connected with the second outgoing line; and the second outgoing line is also connected with the second incoming line of the lower cycle of wire turn on the second coil; and the first through hole is adjacent with the fourth through hole, the second through hole is adjacent with the third through hole, and the distance between the first winding line and the second winding line is less than that between two adjacent cycles of wire turns; characterized in that a section composed of the first winding lines at the various cycles of wire turns on the first coil by surrounding is located on a cross section of PCB, and the first winding lines (614, 616) at the various cycles of wire turns on the first coil are overlapped in the direction vertical to the surface of PCB; the section composed of the second winding lines at the various cycles of wire turns on the second coil by surrounding is located on a cross section of PCB, and the second winding lines (615, 617) at the various cycles of wire turns on the second coil are overlapped in the direction vertical to the surface of PCB. one cycle of wire turn on the first coil includes a first incoming line a first winding line and a first outgoing line, wherein the first winding lines of various cycles of wire turns on the first coil are parallel with each other and respectively arranged on the upper and lower surfaces of a PCB; the first incoming line, passing through a first through hole on the PCB, is connected with the first winding line; the first winding line, passing through a second through hole, is connected with the first outgoing line; and the first outgoing line is also connected with the first incoming line of the lower cycle of wire turn on the first coil; and one cycle of wire turn on the second coil includes a second incoming line, a second winding line and a second outgoing line, wherein the second winding lines of various cycles of wire turns on the second coil are parallel with each other and respectively arranged on the upper and lower surfaces of a PCB; the second incoming line is connected with the second winding line; the second winding line, passing through a third through hole on the PCB, is led out from a fourth through hole and connected with the second outgoing line; and the second outgoing line is also connected with the second incoming line of the lower cycle of wire turn on the second coil; and the first through hole is adjacent with the fourth through hole, the second through hole is adjacent with the third through hole, and the distance between the first winding line and the second winding line is less than that between two adjacent cycles of wire turns; characterized in that a section composed of the first winding lines at the various cycles of wire turns on the first coil by surrounding is located on a cross section of PCB, and the first winding lines (614, 616) at the various cycles of wire turns on the first coil are overlapped in the direction vertical to the surface of PCB; the section composed of the second winding lines at the various cycles of wire turns on the second coil by surrounding is located on a cross section of PCB, and the second winding lines (615, 617) at the various cycles of wire turns on the second coil are overlapped in the direction vertical to the surface of PCB.