Lightning arrester

The invention relates to the technical field of lightning arresters, in particular to a lightning arrester, bakelite is connected with a shunt through a coil, the shunt comprises a cavity groove and a sealing cover, and a first binding post and a second binding post are arranged along the two ends of the cavity groove; in the cavity groove, the first binding post and the second binding post are respectively connected with a graphite flake module; the bakelite is connected with a first connecting piece, the first binding post is connected with a second connecting piece, and the first connecting piece is connected with the second connecting piece through the coil; and the first connecting piece is used for being connected with a power module, the second connecting piece is used for being connected with a power utilization module, and the second binding post is used for being grounded. The arrester is simple in structure, good in shunting effect, easy to maintain and capable of effectively reducing damage to the