Abstract:Objective：To improve the emergency treatment capacity of infectious diseases in designated hospitals. Methods: To propose some targeted improvement measures by analyzing existing problems in infectious disease emergency treatment. Results：After repeated trials，the level of cognition and treatment ability of the staff to deal with infectious diseases has been improved obviously，cross infection was avoided while the task of prevention and control was completed successfully. Conclusion：The key to improve the emergency treatment capacity to infectious diseases is “One Plan and Three Systems” model to do fine work during the whole emergency treatment process.