Research on repetitive transcranial magnetic stimulation therapy in fibromyalgia syndrome (FMS) is increasing rapidly. High-frequency rTMS administration to FMS patients is reported to restore intracortical facilitation and provide successful pain relief. This finding supports restoration of cortical stimulation as one of the possible mechanisms of action for rTMS. One treatment protocol is intermittent theta burst stimulation (iTBS, a variant of excitatory rTMS). Although there are many treatment protocols, there are few widely accepted treatment schemes in the literature. In fibromyalgia syndrome, there is no study in the literature. It was planned to include at least 30 patients aged 18-65 years who were admitted to İzmir Katip Çelebi University Atatürk Training and Research Hospital Physical Medicine and Rehabilitation Outpatient Clinic or hospitalized in the ward and diagnosed with fibromyalgia syndrome according to the 2016 criteria. This study has a prospective, parallel group, randomized, sham-controlled study design. A total of 30 fibromyalgia patients will be randomized into 2 groups and will receive a total of 10 sessions of transcranial magnetic stimulation to the primary motor cortex with intermittent theta bust stimulation technique or sham application. Patients will continue their current fibromyalgia treatment.Numeric Rating Scale-pain intensity (NRS-pain), revised Fibromyalgia Impact Questionnaire (FIQR), Pain Catastrophizing Scale (PCS), Hospital Depression Anxiety Scale (HADS) will be used in the evaluation of the patients.