The utility model discloses a fall -down type lightning arrester, the loach carrying platform comprises a supporting fram, the support frame upper end is equipped with the air wire insulator, air wire insulator outer end is equipped with electrically conductive clip, the support frame lower extreme is equipped with the overhead earth wire insulator, overhead earth wire insulator outer end is equipped with the ground connection supporting seat, electrically conductive clip with be equipped with lightning arrester body between the ground connection supporting seat, lightning arrester body upper end be equipped with with the electrically conductive card of electrically conductive clip complex, be equipped with the pull ring on the electrically conductive card, the lightning arrester body lower extreme is equipped with the ground connection mount pad, the ground connection mount pad with the ground connection supporting seat is articulated. The utility model discloses can be used to the circuit and not under the power down mode, change the arrester, only need with insulating pull rod with lightning arrester body choose more renew the arrester can, need not have a power failure and step on the pole operation, structural design is equitable, changes to dismantle conveniently, is suitable for popularization and application.