Meanwhile, there are many rating scales which predict recurrence of stroke in transient ischemic attack (TIA) patients such as ABCD2 and ABCD3 score [4,5]; however, it is not effective in predicting recurrent stroke in minor stroke patients, and nor is the Essen Stroke Risk Score or the Stroke Prognosis Instrument II [6]. The gene discussed is ABCD2; the disease is Stroke.