ABSTRACT
@#An outbreak of new infectious disease caused by novel coronavirus （COVID- 19）started in China last year，which mainly leads to pulmonary injuries. The medical workers of the First Affiliated Hospital of Sun Yat-sen University quickly responded to the calls and three medical teams had been dispatched to epidemic area to join the fight against the novel coronavirus. The team creatively established the advanced life support units in general wards in order to rescue the critically ill patients. Hundreds of severe cases had been diagnosed and treated by our medical teams. To standardize the diagnosis and treatment of this new infectious disease ，especially the severe cases，guidelines for the diagnosis and management of COVID-19 is compiled by the First Affiliated Hospital of Sun Yat-sen University.