Disclosed is a high-adsorbability nanofiber preparing tool. The high-adsorbability nanofiber preparing tool comprises a mixing device, a melt extrusion machine and electrostatic spinning machines, wherein the mixing device comprises a main mixing tank, a lower fixing plate, lower fixing blocks, auxiliary mixing tanks, upper fixing plates, upper fixing blocks, connecting support rods, support legsand connecting pipes; the melt extrusion machine comprises a base, cushion blocks, a control cabinet, an extruding barrel, a heating pipe, a first support, a second support, an extruding screw, a beltpulley, a transmission motor, a belt, a belt pulley cover, a hopper, a feeding pipe, a cooling fan, cooling branch pipes, an air inlet pipe and an extruding pipe; every electrostatic spinning machinecomprises a housing, bottom legs, an intruding pipe, a needle, a power supply, a limiting roller, a separating plate, an air flue filtering mesh, a negative-pressure fan, a rotating device, a supportbottom plate and a rotating motor. The high-adsorbability nanofiber preparing tool improves the mixing device, the melt extrusion machine and the electrostatic spinning machines, thereby improving the overall preparation efficiency and achieving high system operation stability.