To provide a grounding body for protecting a grounded body such as a building or an electric apparatus from a thunder surge or the like with a drastically improved anti-corrosion property, capable of completely eliminating the remaking of a grounding material due to corrosion wire breaking with improved grounding reliability ensued, and surely carrying out the protection of the grounded body.

A requested drilled groove 2 or a drilled hole 6 is formed on the ground, in either of which, grounding members 4A, 4B, 7 formed by connecting a plurality of plate materials 4a or tube bodies 7a formed of pure titanium or titanium alloys are buried to construct the grounding bodies E1, E2 and E3.