A flexible assembling magnetic head with electrostatic protection structure, includes a magnetic head body which is arranged with an air load-bearing surface, a magnetic head reverse facing to the air load-bearing as well as a cauda edge connected to the air load-bearing surface and the magnetic head reverse, a pair of magnetic head contacts are formed on the cauda edge; an electrostatic protection structure settong on the magnetic head reverse comprises an insulating disc setting on the magnetic head reverse, an electrostatic resistance disc setting on the insulating disc and composed of the insulating layer as well as an electrostatic resistance layer, and an earthing element contacting electrically to the electrostatic resistance of the electrostatic resistance disc as well as the magnetic head reverse; as well as a wire layer locating between the insulating disc and the insulating layer of the electrostatic resistance disc, and contacting electrically to the magnetic head contact of the magnetic head body. The present invention discloses a magnetic head disc-folding combination containing the flexible assembling magnetic as well as a magnetic disk drive unit.