Eligibility Criteria

Inclusion Criteria

- aged 40~70
- no consciousness disorders
- internal carotid artery territory infarction
- stroke happened < 1 year
- with stable hemiplegia, but remain dependent in daily life
- SSS(Scandinavian Stroke Scale) < 40

Exclusion Criteria

- pregnant women
- can't tolerate the test because of other disease, such as heart failure, liver failure, renal failure, abnormal blood coagulation, AIDS, combine other tumor or special condition