Dr. Xiu-Yun Song received her doctor degree of Pharmacology from Chinese Academy of Medical Sciences and Peking Union Medical College, China. As a Research Assistant, she continue to do the research in the pharmacology of stroke and Alzhimers' disease in the same institute as the doctoral period for 3.5 years. She then moved to Beijing Yinfeng Dingcheng Biological Engineering Technology Ltd. Here she established and validated a animal model for the research in the stage of recovery and sequela of ischemic stroke.