Dr. Xiang is a master tutor at Southwest Jiaotong University. He is good at the diagnosis and treatment of cardiovascular and cerebrovascular, respiratory, digestive system and other diseases, has a deep knowledge in the rescue of various critical diseases in the emergency field, can skillfully apply various first aid techniques such as cardiopulmonary resuscitation, and also has profound insights in pre-hospital first aid, emergency department management, critical care monitoring, emergency teaching and scientific research.