Inclusion Criteria:  Patient's written consent Affiliated with social security system Male or female, suffering for more than a year from unilateral refractory neuropathic pain: hemi-body, upper limb, lower limb and facial chronic pain. Patient whose analgesic treatment, is stable for at least 1 month. Patient not responding to conventional treatments Prescreening EVN >3  Exclusion Criteria:  History of drug addiction, epilepsy, cranial trauma History of psychiatric disorder Patients previously treated with rTMS Patient with intracranial ferromagnetic material or implanted stimulator New treatment for less than one month Pregnant or Breastfeeding woman Patient who does not understand the study protocol Persons who are protected under the act.