The purpose of the invention is to provide a transcranial magnetic stimulation system capable of being readily set into an optimum position for treatment. The system 1 of the invention includes a support mechanism 30 configured to support a patient, a first mechanism 200 configured to move the coil in a left and right direction of the patient about a first axis 220 extending in a back and forth direction of the patient relative to a head of patient supported by the support mechanism, and a second mechanism 300 configured to move the coil in the back and forth direction about a second axis 320 extending in the left and right direction relative to the head of the patient.