Inclusion Criteria:  first stoke and in stable phase age 20-80 years unilateral brain lesions with unilateral hemiplegia brain wave examination without epileptic waves  Exclusion Criteria:  brain stem or cerebellar stroke Patients with epilepsy Patients with aneurysm or cerebrovascular malformation Patients with mental illness Patients with degenerative diseases (such as neurodegenerative diseases) Patients with severe intelligence or language barriers (such as mental retardation or severe communication impairment) Patients with serious medical conditions (such as heart failure) Patients with acute disease (such as infection) Patients had metal implants in the body (such as cardiac rhythm or brain metal implants, metal clips for aneurysms) Patients had botox injection or surgery in the first half of the study Pregnant woman or breastfeeding woman other obstacles (such as claustrophobia, obesity, etc.)