A compact and economical transcranial magnetic stimulation system is provided which allows patient to carry out transcranial magnetic stimulation therapy routinely and repeatedly in, for example, his or her house or a neighborhood primary-care medical facility. The system 1 has a magnetic field generating means for generating a magnetic field to be used for providing magnetic stimulation to the head of patient M. The magnetic field generating means has a magnetic coil 2 for generating a variable magnetic field and a holder 10 for holding the magnetic coil 2. The holder 10 has positioning portions 12, 14 for positioning the holder 10 against respective markings 32, 34 on the head of patient M. The coil 2 is placed into a suitable posture against certain position by aligning the positioning portions 12, 14 with the markings 32, 34 on the head of patient.
