ObjectivesStroke is characterized by high morbidity and high disability rate, and is the main cause of long-term disability. To evaluate the efficacy of intermittent theta burst stimulation (iTBS) on patients with lower limb motor dysfunction after stroke through functional near-infrared spectroscopy (fNIRS) and the Fugl-Meyer Assessment of Lower Extremity Motor Function Scale, and analyze the activation of each channel of the cerebral cortex through fNIRS.MethodsSixty-six patients were randomly