She has been engaged in pediatric clinical work for nearly 20 years, and has been working in pediatric intensive care unit for 12 years. She has studied in Shanghai Children's Medical Center for Emergency Medicine and pediatric intensive care for one year. Dr. PEI specializes in the diagnosis and treatment of common diseases in pediatric medicine and the treatment of various critical diseases in children, especially in the treatment of severe pneumonia, severe intracranial infection, ARDS, severe sepsis, various shock, respiratory failure, multiple organ failure and severe hand, foot and mouth disease. She is skilled in rescue techniques such as cardiopulmonary resuscitation (CPR), endotracheal intubation, central venous catheterization (CVC) and arterial catheterization, the use of non-invasive ventilators and various invasive ventilators, and hemodynamic monitoring.