The utility model discloses a novel agricultural seeder is lightning -arrest device, lead the thunder body including waterproof cap and metal, the top of waterproof cap is fixed with the cap, and the below of waterproof cap is fixed with the pillar, the center department of pillar is fixed with the fixed plate, it has the double -screw bolt to run through between the fixed plate, one side of nut is inlayed and is equipped with adjust knob, one side of back shroud is installed the metal and is led the thunder body, outer wall one side that the thunder body was led to the metal is around there being the wire, mounting plate's corner opens has the fixation nut hole. The utility model discloses in, this novel agricultural seeder is lightning -arrest device has set up the metal and has led the thunder body, and thunderstorm weather that can be fine, its metal lead the thunder body and go up the winding and have the wire, can play the effect of conduction thunder and lightning, conduct the thunder and lightning and lead the joint, finally leave along the pillar to reach lightning -arrest effect, this novel agricultural seeder is lightning -arrest device simple structure, reasonable in design, simple to operate, lightning -arrest effectual being worth is widelyd popularize.