After completing the education of the Department of Medicine, University of Buenos Aires, Argentina, Dr. Yang, Yaoshun returned to Taiwan to engage in pediatric clinical diagnosis and treatment. He has been practicing in Taipei Medical Center for nearly 20 years. His medical skills and ethics are deeply trusted by patients, parents and peers. Besides frequently assisting the training of pediatricians in hospitals in Taiwan, Dr. Yang, Yaoshun often interviews with the local press to establish its profession and authority in the field of pediatrics. In addition to his busy clinical work, Dr. Yang, Yaoshun has been participating in the free medical consultation organized by Taiwan NGO (Non-Governmental Organizations) since 2002. According to the needs of community residents, Dr. Yang regularly organizes volunteers to promote various forms of large-scale free medical consultation and health service activities. He has served as a leader of physician team for many times and has traveled in dozens of developing countries all over the world. In addition to providing free humanitarian medical care to remote areas requiring medical services, special and rare disease cases are constantly found in each diagnosis and treatment process, which virtually hones its own diagnostic and therapeutic capabilities and makes its medical skills more advanced with the accumulation of experience. In addition to providing free humanitarian care to remote areas requiring medical services, special and rare cases are constantly found in each diagnosis and treatment process, which virtually hones its own diagnostic and therapeutic capabilities and makes its medical skills more advanced with the accumulation of experience. In addition, in order to make education progress and make pediatric medicine develop more progressively, Dr. Yang, Yaoshun wrote books about what he saw and heard. For example, after giving full play to Severe thoracic disease in children and curing children with severe pneumonia and empyema, he published several medical SCI papers one after another, and accepted and published in well-known academic journals. He also worked with his peers on assessment of children growth and development textbooks, which were published by Taiwan's major medical universities. And lots of department of Medical Sciences in Taiwan regard them as the standard of pediatric teaching guidelines.