To provide a vertical recording magnetic head that is able to improve further the magnetic characteristic in writing the magnetic data by magnetizing a magnetic recording medium in the vertical direction rather than the prior art.

In the vertical recording magnetic head, a recording magnetic field output surface of a main pole 21 which emits a recording magnetic field generated by an exciting coil toward a magnetic recording medium in the vertical direction has a trapezoid shape in which a base on a leading side is longer than a base on a trailing side, and has a distribution of a saturation magnetic flux density which is reduced from the trailing side to the leading side, whereby this structure contributes an improvement of the recording density.