<p>A treatment apparatus by which a magnetic field of a proper magnitude can be applied to a specific place of a treatment object. The treatment apparatus is characterized by comprising a magnetic field generation part (10) which is provided with first and second core members (11, 12) having end faces arranged oppositely and radiating lines of magnetic force therebetween and coils (13) provided at the bases of the first and second core members (11, 12); a space adjustment part (20) which adjusts a space between the end face of the first core member (11) and that of the second core member (12); and a magnetic field control part (30) which controls energization of the coil (13) according to the space between the end face of the first core member (11) and that of the second core member (12), thereby adjusting the intensity of the magnetic field to be generated by the magnetic field generation part (10).</p>
