The utility model discloses a lightning rod of multi -functional usage, including the lightning rod device, and a housing, support column and base, the fixed upper end that sets up at the shell of lightning rod device, support column fixed mounting is at the lower tip of shell, support column fixed mounting is on the base, the lightning rod device includes main lightning rod and vice lightning rod, support column one side is provided with resistance, the resistance left side is provided with the LED lamp, the LED lamp is connected with the resistance electricity, the opposite side of support column sets up the wind speed caliber, be provided with wireless signal transmission unit in the base, alarm and power supply, power supply passes through cable and wireless signal transmission unit, the alarm carries out the electricity and connects. The utility model discloses a main lightning rod of installation and vice lightning rod on the shell make lightning rod electric conductive property when the thunderbolt better, through installation LED lamp on the lightning rod, make the lightning rod send the highlight through the LED lamp when the thunderbolt is electrically conductive, remind people to keep away from, through installation circuit detector on the lightning rod, are used for detecting lightning rod and earth connection.